Database Users

Problem web browsing using data (4G)

I bought my phone in Singapore but due to work commitments have to move to Taiwan. I have signed up a 4G plan here but since then I'm unable to surf using Chrome or Samsung's default browser.
Also, I can't check mail using the yahoo mail app (it just loads forever), play store is inaccessible too, but facebook works.
My note 3 is not rooted, everything is by default from the Singaporean telco (Starhub). My SIM is checked using a Taiwanese phone and everything works fine, so I'm suspecting incompatibility between the Singaporean phone settings and the Taiwanese 4G network.
Can someone help me? Since I'm no smartphone expert I don't know what info to provide, tell me and I will provide whatever that is needed. Thanks

rocker128 said:
I bought my phone in Singapore but due to work commitments have to move to Taiwan. I have signed up a 4G plan here but since then I'm unable to surf using Chrome or Samsung's default browser.
Also, I can't check mail using the yahoo mail app (it just loads forever), play store is inaccessible too, but facebook works.
My note 3 is not rooted, everything is by default from the Singaporean telco (Starhub). My SIM is checked using a Taiwanese phone and everything works fine, so I'm suspecting incompatibility between the Singaporean phone settings and the Taiwanese 4G network.
Can someone help me? Since I'm no smartphone expert I don't know what info to provide, tell me and I will provide whatever that is needed. Thanks
Click to expand...
Click to collapse
Check your APN and set it correctly to your Taiwanese 4G network carrier.
Settings -> Mobile Data -> Access Point Networks

nicholaschum said:
Check your APN and set it correctly to your Taiwanese 4G network carrier.
Settings -> Mobile Data -> Access Point Networks
Click to expand...
Click to collapse
The APN settings are ok. My settings are consistent with the phones at the carrier's shop as well as some other google resources.
I think now I have pinpoint the problem to incompatible modem. Mine is N9005DXUGNH1, but after checking my local friend's phone, hers is N900XXUDNC1. This prompts me to go flash a new modem.
But before I do that can someone tell me if my rom is KOT49H.N9005DXUGNH1, can I use the N900XXUDNC1 modem? I don wanna brick my phone...

rocker128 said:
I bought my phone in Singapore but due to work commitments have to move to Taiwan. I have signed up a 4G plan here but since then I'm unable to surf using Chrome or Samsung's default browser.
Also, I can't check mail using the yahoo mail app (it just loads forever), play store is inaccessible too, but facebook works.
My note 3 is not rooted, everything is by default from the Singaporean telco (Starhub). My SIM is checked using a Taiwanese phone and everything works fine, so I'm suspecting incompatibility between the Singaporean phone settings and the Taiwanese 4G network.
Can someone help me? Since I'm no smartphone expert I don't know what info to provide, tell me and I will provide whatever that is needed. Thanks
Click to expand...
Click to collapse
Since the facebook app works, the APN settings should be correct. And the data connection seem to be fine.
Are you sure that facebook app works? Please double check!

vndnguyen said:
Since the facebook app works, the APN settings should be correct. And the data connection seem to be fine.
Are you sure that facebook app works? Please double check!
Click to expand...
Click to collapse
Actually that is the only thing that work, as in I can update my feed and share pictures... I can't browse with google; can't run any games that needs to be online; can't check mail; can't youtube...

rocker128 said:
Actually that is the only thing that work, as in I can update my feed and share pictures... I can't browse with google; can't run any games that needs to be online; can't check mail; can't youtube...
Click to expand...
Click to collapse
Very strange. Are you sure that facebook app actually works and does not display the cache data?
Did you install any firewall app that may block the Internet connection?
Or did you use any permission manager app that may block the network permission?

vndnguyen said:
Very strange. Are you sure that facebook app actually works and does not display the cache data?
Did you install any firewall app that may block the Internet connection?
Or did you use any permission manager app that may block the network permission?
Click to expand...
Click to collapse
I don't think they are cache data as it refreshes and showed me updates on my feed, which is the same content when I use my PC.
I don't have any app installed that would restrict internet traffic...
I still think incompatibility modem is the culprit here... something about the Singaporean modem that does not go well with the Taiwanese 4G network. I hope I could just change the modem to one that works with the Taiwanese network. If not, worst comes to worst I will just root my phone and flash a custom rom

rocker128 said:
I don't think they are cache data as it refreshes and showed me updates on my feed, which is the same content when I use my PC.
I don't have any app installed that would restrict internet traffic...
I still think incompatibility modem is the culprit here... something about the Singaporean modem that does not go well with the Taiwanese 4G network. I hope I could just change the modem to one that works with the Taiwanese network. If not, worst comes to worst I will just root my phone and flash a custom rom
Click to expand...
Click to collapse
I don't think incompatibility modem is the culprit. As the facebook app works fine.
Now I have no idea...

vndnguyen said:
I don't think incompatibility modem is the culprit. As the facebook app works fine.
Now I have no idea...
Click to expand...
Click to collapse
Oh no... even a veteran is clueless... I'm screwed...
Let's just assume incompatible modem is the issue, can I flash the n900xxudnc1 modem to my n9005dxugnh1 rom? Or would you recommend me just flash a custom rom? (I'm actually prefer customs than my current stock as the stock rom is filled with bloatware. Hasn't use a custom rom yet on account of my warranty)

rocker128 said:
Oh no... even a veteran is clueless... I'm screwed...
Let's just assume incompatible modem is the issue, can I flash the n900xxudnc1 modem to my n9005dxugnh1 rom? Or would you recommend me just flash a custom rom? (I'm actually prefer customs than my current stock as the stock rom is filled with bloatware. Hasn't use a custom rom yet on account of my warranty)
Click to expand...
Click to collapse
I'm not sure, but let's clarify something:
- dxu is firmware for Singapore.
- xxu is international fimrware, that may cover many regions/countries.
- I personally think xxu modem is compatible with the dxu firmware. However the problem is that dxu version (gnh1) is newer than xxu version (dnc1). That may be the problem.
- So try to download newer firmware for xxu and flash.
- You can find appropriate firmware by installing Phone INFO ★Samsung★ app > Menu > 'Firmware Browser' > enter XXU in the CSC text box and tap Go button to search.

vndnguyen said:
I'm not sure, but let's clarify something:
- dxu is firmware for Singapore.
- xxu is international fimrware, that may cover many regions/countries.
- I personally think xxu modem is compatible with the dxu firmware. However the problem is that dxu version (gnh1) is newer than xxu version (dnc1). That may be the problem.
- So try to download newer firmware for xxu and flash.
- You can find appropriate firmware by installing Phone INFO ★Samsung★ app > Menu > 'Firmware Browser' > enter XXU in the CSC text box and tap Go button to search.
Click to expand...
Click to collapse
Ok, did that... may I know what the result mean?

Another question: Will flashing a new firmware from Sammobile tripped KNOX?

Nope, flashing stock firmware will not trip the Knox.
Sent from my Nexus 7 using Tapatalk

vndnguyen said:
Nope, flashing stock firmware will not trip the Knox.
Sent from my Nexus 7 using Tapatalk
Click to expand...
Click to collapse
I have flashed the N9005XXUEND3 firmware, but the modem is missing... where can I find it?

rocker128 said:
I have flashed the N9005XXUEND3 firmware, but the modem is missing... where can I find it?
Click to expand...
Click to collapse
Try to reflash again to make the modem stick.
Or extract the modem.bin + NON-HLOS.bin and flash separately, followed the instruction below:
• Switch off your device completely.
• Connect to PC and power on your phone in Download Mode (Volume Down + Home + Power).
• Start Odin v3.09 (be sure it recognised your phone and show ID:COM port number).
• Untick Auto Reboot.
• Flash MODEM.BIN (CP slot - unzip it first).
• Reboot once again into Download Mode using Vol Down + Home + Power.
• Tick Auto Reboot and flash NON-HLOS.BIN.
• If this doesn't work, try repeating the flash process again while rebooting manually and with Auto Reboot option turned off.
If you have trouble getting the Modem to stick, install Triangle Away (by Chainfire) and follow the directions to reset your counter (even if it says zero), then boot into Download Mode, and re-flash them with Odin and they should stick.
Click to expand...
Click to collapse

vndnguyen said:
Try to reflash again to make the modem stick.
Or extract the modem.bin + NON-HLOS.bin and flash separately, followed the instruction below:
Click to expand...
Click to collapse
Got a question, doesn't flashing the firmware automatically flashes the modem into the phone as well?
I have tried the suggested method, but the modem just refused to stay in the phone. Now my phone can't receive any signal and reboots randomly...:crying:
If I have to root the phone just to get the modem working, think I might go for broke and flash a custom rom instead...

rocker128 said:
Got a question, doesn't flashing the firmware automatically flashes the modem into the phone as well?
I have tried the suggested method, but the modem just refused to stay in the phone. Now my phone can't receive any signal and reboots randomly...:crying:
If I have to root the phone just to get the modem working, think I might go for broke and flash a custom rom instead...
Click to expand...
Click to collapse
Typically yes, the modem is flashed together with the firmware. But sometimes it does not stick.
Did you follow exactly all steps and retry many times as suggested in the instruction?

vndnguyen said:
Typically yes, the modem is flashed together with the firmware. But sometimes it does not stick.
Did you follow exactly all steps and retry many times as suggested in the instruction?
Click to expand...
Click to collapse
I just reflashed my firmware. The modem is still missing...previously i tried the method about 5 times but still can't get it installed.
I'm gonna try reflashing once again before rooting.
Here's are the steps I took:
- Boot into recovery and wipe data/ cache
- Reboot in download mode
- Open Odin 3.09
- Uncheck auto reboot
- Connect phone to Odin, after which a blue "0:[COM4]" icon shows up
- Go to AP, select my firmware (which is about 2GB), wait for Odin to load
- After loading, press start to flash.
- After flashing completed, disconnect phone from Odin and reboot manually by pressing the lock button

rocker128 said:
I just reflashed my firmware. The modem is still missing...previously i tried the method about 5 times but still can't get it installed.
I'm gonna try reflashing once again before rooting.
Here's are the steps I took:
- Boot into recovery and wipe data/ cache
- Reboot in download mode
- Open Odin 3.09
- Uncheck auto reboot
- Connect phone to Odin, after which a blue "0:[COM4]" icon shows up
- Go to AP, select my firmware (which is about 2GB), wait for Odin to load
- After loading, press start to flash.
- After flashing completed, disconnect phone from Odin and reboot manually by pressing the lock button
Click to expand...
Click to collapse
Did you power it off completely and boot into download mode with the key combination (Vol Down + Home + Power)?
And did you use Triangle Away to reset the counter? as per instruction.

Ok. I'm officially in deep ****...
Good news is that I finally know why I can't flash modems into my phone. Bad news is because my IMEI number is screwed, and I did not make a back up of it.
Think I will be opening another thread for this issue... Thank you very much for your help all along vndnguyen.

downloading.... don't turn of target appeared although i didn't update

hello
two months ago i was using my SM-N9005 -*not rooted * as usual, there was no internet connection
not even an update notification appeared
then the screen turned black with android logo on it and a text message below it saying "Downloading .... don't turn off target"
and some small words
however it took too long so i removed the battery , device restarted and worked well
now i cannot update my 4.4.2 to 5.0 which was released here in egypt more than a month ago
the device state is OFFICIAL how ever i can't update via OTA or KIES

Try looking for the stock LP firmware on sammobile.com

Muhammed Elshimy said:
hello
two months ago i was using my SM-N9005 -*not rooted * as usual, there was no internet connection
not even an update notification appeared
then the screen turned black with android logo on it and a text message below it saying "Downloading .... don't turn off target"
and some small words
however it took too long so i removed the battery , device restarted and worked well
now i cannot update my 4.4.2 to 5.0 which was released here in egypt more than a month ago
the device state is OFFICIAL how ever i can't update via OTA or KIES
Click to expand...
Click to collapse
I recommend you this steps for avoid problems:
1. Install this APP and look for your CSC code (Pic 1).
2. Look for that 3 letters in "Select Country" -> HERE. It will tell you of what country is your device.
3. Download, unzip and flash via ODIN the latest firmware for your device (Pic 2).

Joku1981 said:
I recommend you this steps for avoid problems:
1. Install this APP and look for your CSC code (Pic 1).
2. Look for that 3 letters in "Select Country" -> HERE. It will tell you of what country is your device.
3. Download, unzip and flash via ODIN the latest firmware for your device (Pic 2).
Click to expand...
Click to collapse
I know this is pretty basic question but i just don't know
Do i have to root my phone ?
Will my device state change from official to non official?

Muhammed Elshimy said:
I know this is pretty basic question but i just don't know
Do i have to root my phone ?
Will my device state change from official to non official?
Click to expand...
Click to collapse
No and no.

Thanks
I'll try it )

I don't see PDA listed in odin v3.10
Instead i have BL - AP - CP - CSC
Which one should I choose?

PDA appears in Odin 3.07.

Muhammed Elshimy said:
I don't see PDA listed in odin v3.10
Instead i have BL - AP - CP - CSC
Which one should I choose?
Click to expand...
Click to collapse
PDA is AP. I recommend you use better Odin 3.09 or above.

It's done
Thanks
Just two more questions
1. Is it safe to flash other countries ROMS ?
2.music player crashes every time i navigate to playlist tab , what's the problem
*EDIT : Clearing music player cache fixed it *

Muhammed Elshimy said:
It's done
Thanks
Just two more questions
1. Is it safe to flash other countries ROMS ?
2.music player crashes every time i navigate to playlist tab , what's the problem
*EDIT : Clearing music player cache fixed it *
Click to expand...
Click to collapse
1. No. It's better only flash the "Available CSC Codes" to your device. Take a look the example:

Thanks too much you helped me alot today , friend )

Using Verizon S7 in Europe - firmware and possible to remove all Verizon stuff?

Hi,
I have a Verizon S7 and I want to permanently use it in Europe, France specifically.
I put a French SIM in and can place calls, but internet did not initially work, however, I did not try to change APN settings.
My question is, is there a specific firmware I can download that will put the latest updates on there and allow future updating on a non-Verizon network? If so, which firmware would that be? I'd prefer to have all Verizon stuff removed, too.
Finally, by default, French is not in language support, but I'd like to add that, if possible.

You can flash firmware from G930U model that is unlocked version for US

Thanks. Do I need to set boot pin or anything? I saw some threads saying you have to set boot pass or pin before you flash.
Also, will there be a way to do system updates? I mean, like updating to nougat?

Hello,
i'm in the same situation than you.
Please, can anyone provideme a link to the exact rom to flash in this moment (i found broken links and obsolete roms)
If I understand correctly this is that I need to do:
1-install samsung drivers and Odin 3.12
2-Flash rom g930u(need your help to provide me) without modifying any odin settings
3-Enjoy
this is ok?
Many thanks

H0wdy said:
Hi,
I have a Verizon S7 and I want to permanently use it in Europe, France specifically.
I put a French SIM in and can place calls, but internet did not initially work, however, I did not try to change APN settings.
My question is, is there a specific firmware I can download that will put the latest updates on there and allow future updating on a non-Verizon network? If so, which firmware would that be? I'd prefer to have all Verizon stuff removed, too.
Finally, by default, French is not in language support, but I'd like to add that, if possible.
Click to expand...
Click to collapse
hey @H0wdy, i know this is a month late but here goes:
This is what I would do if you were you
-download and extract the zip I attached on a link at the bottom, extract it, and open up Samfirm program,plug in your phone in download mode i believe please double check the original linked thread (hold volume down + home + power for 7 seconds ) put in your phone model SM-G930V and put XAA as region
-next it will search for the latest international update for your phone and click download, (make sure auto decrypt is on) this take a little while to download and then decrypt, but you should end up with a zip file on your desktop containing G930U files (which i happened to upload for you anyhow, but if case you dont want to download the uiversal rom, i uploaded one for you if you wish to use that. If you wanted to do it the safe way instead of using my older Uinversal firmware, I would follow above instructions.
Next open Odin, click BL find the appropriate BL file, click CSC find that file and select, as well as the other two with AP being last make sure to use OYM CSC not HOME.
- then simply boot phone into download mode: hold Power volume- and home upon restart and it should get you into bootloader. click UP, and if your phone is recognized by your computer go ahead and flash your new universal rom.
It has NO verizon bloat and more features such as Wifi calling and Video chat phone calls!
anyway if you need more help refer to this link here if you need help with this software. I found it incredibly straight forward.
you will be able to choose French upon setup of your phone.
https://forum.xda-developers.com/ve...o/using-samfirm-to-download-sm-g930u-t3449475
let me know if this works.
Best, Silkmeister1
Files:
https://ufile.io/gvbq5

Please can you confirm if it is the correct rom?
http://updato.com/firmware-archive-select-model?record=2038D7644C6011E7963AFA163EE8F90B
Country / RegionUSA
PDAG930UUEU4BQE2
Product CodeXAA
CSCG930UOYM4BQE2
PhoneG930UUEU4BQE2

fras-xda said:
Please can you confirm if it is the correct rom?
http://updato.com/firmware-archive-select-model?record=2038D7644C6011E7963AFA163EE8F90B
Country / RegionUSA
PDAG930UUEU4BQE2
Product CodeXAA
CSCG930UOYM4BQE2
PhoneG930UUEU4BQE2
Click to expand...
Click to collapse
yes should be fine

Samsung Pay on non-rooted S8+ not working

Hey guys,
I just got a used S8+. Upon booting up it was a clean factory reset. I went forward with the setup.
When i open up Samsung Pay i get the "samsung pay access to samsung pay has been denied...." msg.
This phone is not rooted, i have downloaded a root check and comes back as false.
The person who had the phone never rooted the phone.
And i also get this notification " Security Notice, unauthorized actions have been detected..."
Anyone know what could be wrong with it?

go into download mode, and see there if knox has been tripped. also can you use secure folder?

I had a similiar issue (KNOX not tripped). Just downloaded stock Odin ROM, flashed it and everything worked again.

This is what i get when in download mode?
Ill test Secure Folder now...brb

This is what i get when secure folder is launched.
Secure folder cannot be set up because unauthorized software was installed on the device.

kernel.killer said:
I had a similiar issue (KNOX not tripped). Just downloaded stock Odin ROM, flashed it and everything worked again.
Click to expand...
Click to collapse
IF its not too much trouble can you point me to the right link

https://forum.xda-developers.com/galaxy-s8+/how-to/official-stock-firmware-update-odin-t3582175 In SamFirm model enter your model number (presumably SM-G955U1, can be found in settings) and in region your active CSC (most likely ATT - Settings -> About Phone -> Software Information -> Service provider SW ver., last line of this field contains something in format XXX/XXX/YYY, use the first three letters). In Odin use HOME_CSC for CSC field, to keep your data.

kernel.killer said:
https://forum.xda-developers.com/galaxy-s8+/how-to/official-stock-firmware-update-odin-t3582175 In SamFirm model enter your model number (presumably SM-G955U1, can be found in settings) and in region your active CSC (most likely ATT - Settings -> About Phone -> Software Information -> Service provider SW ver., last line of this field contains something in format XXX/XXX/YYY, use the first three letters). In Odin use HOME_CSC for CSC field, to keep your data.
Click to expand...
Click to collapse
Thank you,
If the phone is fresh and i don't care about data. Should i flash all of the files?

djfred500 said:
Thank you,
If the phone is fresh and i don't care about data. Should i flash all of the files?
Click to expand...
Click to collapse
Yes, it is alway best to flash all files, but if you don't mind loosing your data, you can flash CSC_* package in place of CSC, to also repartition your phone and start fresh. But if you want to keep your data, you can flash the HOME_CSC_* package instead.

Just tried it with all the files and i get this.

I am so lost i am about to pull my hair out...

Ok finally was able to get it up and running with Samsung Pay working...
Ill be back later with a How-To for those folks that are stuck with the same exact problem.

djfred500 said:
Ok finally was able to get it up and running with Samsung Pay working...
Ill be back later with a How-To for those folks that are stuck with the same exact problem.
Click to expand...
Click to collapse
Hi!
You can say how please?
Thanks!

Advice on S7e Firmware from UAE to BTU

Hopefully you guys might take a mo whilst we are in lockdown to just give me a few pointers please
Original S7e screen bust 6 months ago so i purchased a rekon S7e from Amazon Uk, all seemed well and i re applied my backups from my old phone to the replacement phone, after a few days of getting the phone the same as the original i realised the phone had a UAE csc, annoying at best but as i needed a working phone i kind of let it slide and carried on using the phone, apart from Samsung Health showing UAE adverts and pay showing UAE info the phone seemed ok.... actually add to that it has recieved no updates since Oct 2019 either, i have tried all ways to get security updates and phone os updates but to no avail, it just says it is up to date which i know is wrong as security updates have been released since last year
Now in lockdown and its raining its time to hopefully get the thing back on track, could you guys advise on what exact files i need so i dont brick or trip knox please
dev mode no issues
usb config no isuues
i have grabbed the latest UAE files
i have grabbed the latest UK BTU files
odin installed
do i need to mix and match files from both downloads ? just use the BTU files ?? if you guys could please give me some info on which set of files i need to load into odin it would be much appreciated
if you need csc pda numbers no probs just shout, i have never messed with android firmware before, all i want to do is get a Uk updating phone again
Thanks if you can help and stay safe

norsane said:
Hopefully you guys might take a mo whilst we are in lockdown to just give me a few pointers please
Original S7e screen bust 6 months ago so i purchased a rekon S7e from Amazon Uk, all seemed well and i re applied my backups from my old phone to the replacement phone, after a few days of getting the phone the same as the original i realised the phone had a UAE csc, annoying at best but as i needed a working phone i kind of let it slide and carried on using the phone, apart from Samsung Health showing UAE adverts and pay showing UAE info the phone seemed ok.... actually add to that it has recieved no updates since Oct 2019 either, i have tried all ways to get security updates and phone os updates but to no avail, it just says it is up to date which i know is wrong as security updates have been released since last year
Now in lockdown and its raining its time to hopefully get the thing back on track, could you guys advise on what exact files i need so i dont brick or trip knox please
dev mode no issues
usb config no isuues
i have grabbed the latest UAE files
i have grabbed the latest UK BTU files
odin installed
do i need to mix and match files from both downloads ? just use the BTU files ?? if you guys could please give me some info on which set of files i need to load into odin it would be much appreciated
if you need csc pda numbers no probs just shout, i have never messed with android firmware before, all i want to do is get a Uk updating phone again
Thanks if you can help and stay safe
Click to expand...
Click to collapse
Well, there is a saying which goes like this ;
"Don't try to fix which isn't broken"
You can make calls.. your phone works in all aspects.
Except that you dislike some uae built-in apps
Just disable those apps..
But if you have decided you want to jump in the "pseudo effect of update feels good" ship .. then i can't stop you.. its ur phone
But trust me you WON'T WANT TO HAVE LATEST UPDATES because i did what you want to do and now suffer
Okay but if you want to flash latest rom for your current country follow these steps.
1. See which rom/firmware is currently installed in your phone .. i.e : build numbers , and copy paste them here and also note them down so you can remember..
2. Since you want to get in this ship you need to ENABLE OEM UNLOCK AND USB DEBUGGING IN DEVELOPER OPTIONS, just to stay safe ** i will tell you why later **
3. Download latest odin from here i.e 3.14.4 https://technastic.com/odin-download-samsung-latest-all-versions/
4. Download latest firmware for your current country from here :
https://www.sammobile.com/samsung/galaxy-s7-edge/firmware/SM-G935F/BTU/
(if it is uk then there are 2 csc for uk .. btu and xeu)
5. *Important* make a backup of everything in your phone, then turn it off and go in recovery mode (by holding vol up + home + power buttons while its off)
Factory data reset and wipe cache.. then turn off phone..
6. Then put your phone in download mode while its off (by holding vol down + home + power buttons)
7. Run odin as admin on your pc, extract the firmware file you downloaded earlier.. it will give 4 files .. BL , AP , CP , CSC..
Select correct files corresponding to the boxes in odin..
*In odin options don't select any option other then F.reset time*
*USE CSC (NOT HOME CSC) IN CSC BOX..
8. Connect your phone to pc while in download mode (odin should detect the port.. if not install samsung drivers or smart switch for pc)
9. Press on start button to begin flashing.. once odin says success unplug your phone .. it will still be in download mode .. so hold vol down + home + power button to force reboot (once phone screen goes black immediately change from holding vol down to vol up + home + power .. this will put you in recovery mode.. do a factory data wipe + clear cache, then reboot phone)
**WARNING : DON'T UNPLUG YOUR PHONE WHILE ODIN IS FLASHING OR BEFORE IT SAYS SUCCESS ! **
10. Configure your settings and restore your data .. you should have btu csc now
*IMPORTANT*
*FLASHING A SECOND HAND BOUGHT PHONE (WHICH COULD BE PATCHED/MODIFIED BY A HARDWARE BOX) THROUGH ODIN CAN MAKE IT A HARD BRICK BUT IF OEM UNLOCK IS ENABLED YOU CAN FIX IT EASILY BUT IF SOME CERTIFICATES/IMEI WAS PATCHED THEN YOU WILL LOSE NETWORK !!*
*FLASHING TO LATEST FIRMWARE WILL CAUSE BOOTLOADER VERSION UPDATE AND YOU WILL BE STUCK WITH THAT BOOTLOADER (SINCE YOU CANNOT DOWNGRADE/FLASH ANY OTHER ROM WITH LOWER BOOTLOADER NUMBER OR EVEN TROUBLESHOOT USING A COMBINATION ROM*
*LATEST FIRMWARES HAVE SERIOUS PERFORMANCE/BATTERY ISSUES FROM MY EXPERIENCE AND YOU CAN DOWNGRADE ONCE YOU UPDATE TO A HIGHER BOOTLOADER NUMBER ! TRY EVERYTHING ON YOUR OWN RISK ! *
Sent from my S7 Edge using XDA Labs

shah22 said:
)
*IMPORTANT*
*FLASHING A SECOND HAND BOUGHT PHONE (WHICH COULD BE PATCHED/MODIFIED BY A HARDWARE BOX) THROUGH ODIN CAN MAKE IT A HARD BRICK BUT IF OEM UNLOCK IS ENABLED YOU CAN FIX IT EASILY BUT IF SOME CERTIFICATES/IMEI WAS PATCHED THEN YOU WILL LOSE NETWORK !!*
*FLASHING TO LATEST FIRMWARE WILL CAUSE BOOTLOADER VERSION UPDATE AND YOU WILL BE STUCK WITH THAT BOOTLOADER (SINCE YOU CANNOT DOWNGRADE/FLASH ANY OTHER ROM WITH LOWER BOOTLOADER NUMBER OR EVEN TROUBLESHOOT USING A COMBINATION ROM*
*LATEST FIRMWARE HAVE SERIOUS PERFORMANCE/BATTERY ISSUES FROM MY EXPERIENCE, TRY EVERYTHING ON YOUR OWN RISK! *
Sent from my S7 Edge using XDA Labs
Click to expand...
Click to collapse
Thanks Shah
Yup it definately is a second hand phone, the rear o2 blood sensor has a very dim red light on all the time, i read a software update cured that ?? which is another reason i wanted to try and get the phone to update
what does concern me, how can i tell if the phone has patched certs or IMEI ?? is there a way of finding this out ?? that does appear to be the only thing that at present i cannot find out
If any of this helps i would appreciate you taking a look
product name hero2ltexx
manufacture date 20160506
knox warranty bit 0x0
product code SM-G935FZSLXSG
PDA G935FXXS6ESH5
CSC G935FOJV6ESH5
BASEBAND G935FXXU6ASG1
BOOTLOADER G935FXXS6ESH5

norsane said:
Thanks Shah
Yup it definately is a second hand phone, the rear o2 blood sensor has a very dim red light on all the time, i read a software update cured that ?? which is another reason i wanted to try and get the phone to update
what does concern me, how can i tell if the phone has patched certs or IMEI ?? is there a way of finding this out ?? that does appear to be the only thing that at present i cannot find out
If any of this helps i would appreciate you taking a look
product name hero2ltexx
manufacture date 20160506
knox warranty bit 0x0
product code SM-G935FZSLXSG
PDA G935FXXS6ESH5
CSC G935FOJV6ESH5
BASEBAND G935FXXU6ASG1
BOOTLOADER G935FXXS6ESH5
Click to expand...
Click to collapse
Install phone info app.. send the csc and firmware tab screenshot..
Then go in download mode and send a pic of it too..
Edit : i am on XSG too.. but i never had any sensor light bug ever !
Sent from my S7 Edge using XDA Labs

shah22 said:
Install phone info app.. send the csc and firmware tab screenshot..
Then go in download mode and send a pic of it too..
Edit : i am on XSG too.. but i never had any sensor light bug ever !
Sent from my S7 Edge using XDA Labs
Click to expand...
Click to collapse
How do i send a pic of Download mode, if the phones in download mode does it still capture ??

Product Code: SM-G935FZSLXSG
PDA: G935FXXS6ESH5
CSC: G935FOJV6ESH5
Baseband: G935FXXU6ASG1
Bootloader: G935FXXS6ESH5
Download option
Current Binary : Samsung official
System status : Official
FRP Lock : Off
Secure Download : Enabled
Warranty void : 0 (0x0000)
RP SWREV : B:6 K:4 S:5

Hey I need some help too, surprisingly I'm also in UAE I'm on the black diamond ROM running Moro kernel, my only problem is the sim card isn't working how do i make this work

norsane said:
Product Code: SM-G935FZSLXSG
PDA: G935FXXS6ESH5
CSC: G935FOJV6ESH5
Baseband: G935FXXU6ASG1
Bootloader: G935FXXS6ESH5
Download option
Current Binary : Samsung official
System status : Official
FRP Lock : Off
Secure Download : Enabled
Warranty void : 0 (0x0000)
RP SWREV : B:6 K:4 S:5
Click to expand...
Click to collapse
Ok it looks un-tempered.. you can try flashing btu
Alandc said:
Hey I need some help too, surprisingly I'm also in UAE I'm on the black diamond ROM running Moro kernel, my only problem is the sim card isn't working how do i make this work
Click to expand...
Click to collapse
Do other sim cards work ? Is phone's imei displaying correctly ?
Sent from my S7 Edge using XDA Labs

shah22 said:
Well, there is a saying which goes like this ;
"Don't try to fix which isn't broken"
You can make calls.. your phone works in all aspects.
Except that you dislike some uae built-in apps
Just disable those apps..
But if you have decided you want to jump in the "pseudo effect of update feels good" ship .. then i can't stop you.. its ur phone
But trust me you WON'T WANT TO HAVE LATEST UPDATES because i did what you want to do and now suffer
Okay but if you want to flash latest rom for your current country follow these steps.
1. See which rom/firmware is currently installed in your phone .. i.e : build numbers , and copy paste them here and also note them down so you can remember..
2. Since you want to get in this ship you need to ENABLE OEM UNLOCK AND USB DEBUGGING IN DEVELOPER OPTIONS, just to stay safe ** i will tell you why later **
3. Download latest odin from here i.e 3.14.4 https://technastic.com/odin-download-samsung-latest-all-versions/
4. Download latest firmware for your current country from here :
https://www.sammobile.com/samsung/galaxy-s7-edge/firmware/SM-G935F/BTU/
(if it is uk then there are 2 csc for uk .. btu and xeu)
5. *Important* make a backup of everything in your phone, then turn it off and go in recovery mode (by holding vol up + home + power buttons while its off)
Factory data reset and wipe cache.. then turn off phone..
6. Then put your phone in download mode while its off (by holding vol down + home + power buttons)
7. Run odin as admin on your pc, extract the firmware file you downloaded earlier.. it will give 4 files .. BL , AP , CP , CSC..
Select correct files corresponding to the boxes in odin..
*In odin options don't select any option other then F.reset time*
*USE CSC (NOT HOME CSC) IN CSC BOX..
8. Connect your phone to pc while in download mode (odin should detect the port.. if not install samsung drivers or smart switch for pc)
9. Press on start button to begin flashing.. once odin says success unplug your phone .. it will still be in download mode .. so hold vol down + home + power button to force reboot (once phone screen goes black immediately change from holding vol down to vol up + home + power .. this will put you in recovery mode.. do a factory data wipe + clear cache, then reboot phone)
**WARNING : DON'T UNPLUG YOUR PHONE WHILE ODIN IS FLASHING OR BEFORE IT SAYS SUCCESS ! **
10. Configure your settings and restore your data .. you should have btu csc now
*IMPORTANT*
*FLASHING A SECOND HAND BOUGHT PHONE (WHICH COULD BE PATCHED/MODIFIED BY A HARDWARE BOX) THROUGH ODIN CAN MAKE IT A HARD BRICK BUT IF OEM UNLOCK IS ENABLED YOU CAN FIX IT EASILY BUT IF SOME CERTIFICATES/IMEI WAS PATCHED THEN YOU WILL LOSE NETWORK !!*
*FLASHING TO LATEST FIRMWARE WILL CAUSE BOOTLOADER VERSION UPDATE AND YOU WILL BE STUCK WITH THAT BOOTLOADER (SINCE YOU CANNOT DOWNGRADE/FLASH ANY OTHER ROM WITH LOWER BOOTLOADER NUMBER OR EVEN TROUBLESHOOT USING A COMBINATION ROM*
*LATEST FIRMWARES HAVE SERIOUS PERFORMANCE/BATTERY ISSUES FROM MY EXPERIENCE AND YOU CAN DOWNGRADE ONCE YOU UPDATE TO A HIGHER BOOTLOADER NUMBER ! TRY EVERYTHING ON YOUR OWN RISK ! *
Sent from my S7 Edge using XDA Labs
Click to expand...
Click to collapse
Can you explain that a little further?
"BUT IF SOME CERTIFICATES/IMEI WAS PATCHED THEN YOU WILL LOSE NETWORK !!"
I have an SM-G935FD Galaxy S7 edge phone from Malaysia. I have it in Greece and as soon as I got it in my hands I let it go all the updates until Android 8. And then installed a custom rom. Since then I can't make or receive any calls and sometimes it recognize my sim card (Cosmote) and sometimes it doesn't. Even the times that recognize my network operator I still can't make or receive calls. And of course I don't have any data.
What I have done:
1. Flashed original Malaysian and Indonesian firmware with no luck
2. Activated and deactivated volte
3. Tried different sim card
4. Flashed original Greek firmware (which I thought it would solve my problem but nothing). At root files it has all the network operators enebled as normal.
5. Tried several custom ROMs from Android 7 to 10. The only one that had some result was Floyd 10. The result was that for a minute I had data and couple of sms came from missed calls. But then again nothing. And since the first time I installed it, when I reinstalled Floyd not even for a minute.
6. Tampered customer.xml file for csc folder as a friend from Floyd rom thread suggested but still nothing
7. With a different sim from different provider I have data almost all the time but no calls at all
do all that has something to do with what you stated above? because it pretty much looks like i ve lost network
Thanks

achkap said:
Can you explain that a little further?
"BUT IF SOME CERTIFICATES/IMEI WAS PATCHED THEN YOU WILL LOSE NETWORK !!"
I have an SM-G935FD Galaxy S7 edge phone from Malaysia. I have it in Greece and as soon as I got it in my hands I let it go all the updates until Android 8. And then installed a custom rom. Since then I can't make or receive any calls and sometimes it recognize my sim card (Cosmote) and sometimes it doesn't. Even the times that recognize my network operator I still can't make or receive calls. And of course I don't have any data.
What I have done:
1. Flashed original Malaysian and Indonesian firmware with no luck
2. Activated and deactivated volte
3. Tried different sim card
4. Flashed original Greek firmware (which I thought it would solve my problem but nothing). At root files it has all the network operators enebled as normal.
5. Tried several custom ROMs from Android 7 to 10. The only one that had some result was Floyd 10. The result was that for a minute I had data and couple of sms came from missed calls. But then again nothing. And since the first time I installed it, when I reinstalled Floyd not even for a minute.
6. Tampered customer.xml file for csc folder as a friend from Floyd rom thread suggested but still nothing
7. With a different sim from different provider I have data almost all the time but no calls at all
do all that has something to do with what you stated above? because it pretty much looks like i ve lost network
Thanks
Click to expand...
Click to collapse
If you bought it second hand then yes, it certificates/imei may have been patched using a hardware box and reflashing or even factory formatting results in network loss.. it may only be fixed by a box (or a local repair shop having box)
The other reason can be that your efs partition got corrupted and if you don't have a backup of efs before you rooted/customized your phone then ur out of luck mate..
Even if you had efs backup you would have been still out of luck because you made the mistake of "updating" to latest binary firmware and we need combination rom to fully repair network issues (and combination roms are not being available/leaked online for latest binaries)
Also a box can fix this too (or a local repair shop having box)
Can you tell if your imei is displayed correctly and if its different from the one printed on the phone's back or phone's packaging ? (If you got any)
Sent from my Legendary Hero2LTE using Tapatalk

shah22 said:
If you bought it second hand then yes, it certificates/imei may have been patched using a hardware box and reflashing or even factory formatting results in network loss.. it may only be fixed by a box (or a local repair shop having box)
The other reason can be that your efs partition got corrupted and if you don't have a backup of efs before you rooted/customized your phone then ur out of luck mate..
Even if you had efs backup you would have been still out of luck because you made the mistake of "updating" to latest binary firmware and we need combination rom to fully repair network issues (and combination roms are not being available/leaked online for latest binaries)
Also a box can fix this too (or a local repair shop having box)
Can you tell if your imei is displayed correctly and if its different from the one printed on the phone's back or phone's packaging ? (If you got any)
Sent from my Legendary Hero2LTE using Tapatalk
Click to expand...
Click to collapse
Both my IMEI and efs are alright. I'm trying all this time to find a way to patch the certificates because on the one hand I don't have 120euros top but z3x and in the other I live on an island in Greece where there aren't any Samsung repair shops. I found halabtech tool and I patched certificates with that but I'm not sure that it is ok for my phone. Anyway network didn't came back after that.
Anyway after I saw your post I searched a lot and in found done threads that say that only at Android 6 the certificates can be patched. Any help would be appreciated...

achkap said:
Both my IMEI and efs are alright. I'm trying all this time to find a way to patch the certificates because on the one hand I don't have 120euros top but z3x and in the other I live on an island in Greece where there aren't any Samsung repair shops. I found halabtech tool and I patched certificates with that but I'm not sure that it is ok for my phone. Anyway network didn't came back after that.
Anyway after I saw your post I searched a lot and in found done threads that say that only at Android 6 the certificates can be patched. Any help would be appreciated...
Click to expand...
Click to collapse
If you need to patch certs then your imei's aren't alright lol, your imei's are either changed or blacklisted which is causing the issues, and yes downgrading to android 6 is necessary for patching certs.. but i think you need a hardware box for that..
Sent from my Legendary Hero2LTE using Tapatalk

shah22 said:
If you need to patch certs then your imei's aren't alright lol, your imei's are either changed or blacklisted which is causing the issues, and yes downgrading to android 6 is necessary for patching certs.. but i think you need a hardware box for that..
Sent from my Legendary Hero2LTE using Tapatalk
Click to expand...
Click to collapse
So if the IMEI is the same and not blacklisted then there is no need for the patch? I bought the phone from a friend of mine, who he didn't do anything to the phone. Not even the updates. When I took it I let it update to Android 8, flashed twrp and then an Android 10 rom. A process I have done a million times until now, just not on this phone. At no point I lost the IMEI. So although I don't have the packaging I'm pretty sure that it is the same. I checked and it is not blacklisted either.
Any idea what could be then?
And again thank you for your time

achkap said:
So if the IMEI is the same and not blacklisted then there is no need for the patch? I bought the phone from a friend of mine, who he didn't do anything to the phone. Not even the updates. When I took it I let it update to Android 8, flashed twrp and then an Android 10 rom. A process I have done a million times until now. At any point I lost the IMEI. So although I don't have the box I'm pretty sure that it is the same. I checked and it is not blacklisted either.
Any idea what could be then?
And again thank you for your time
Click to expand...
Click to collapse
Yes, you can't verify that imei's are the same since you don't have original phone packaging, ask your friend to confirm..
And if imei's are okay then its efs bug/corruption, which i told in above post, you should have done backup before modifying phone.. but even if you got backup you cannot restore efs because you are on latest binaries and you need latest combination roms for successfully repairing efs, which sadly aren't available, so yeah sorry but hate to say can't guide further
Thats why i ask peeps to NOT get on latest firmware train lol and ALWAYS make efs backup before doing anything to your phone !
Btw, can you tell me which is the current firmware's build number ?
Sent from my Legendary Hero2LTE using Tapatalk

shah22 said:
Yes, you can't verify that imei's are the same since you don't have original phone packaging, ask your friend to confirm..
And if imei's are okay then its efs bug/corruption, which i told in above post, you should have done backup before modifying phone.. but even if you got backup you cannot restore efs because you are on latest binaries and you need latest combination roms for successfully repairing efs, which sadly aren't available, so yeah sorry but hate to say can't guide further
Thats why i ask peeps to NOT get on latest firmware train lol and ALWAYS make efs backup before doing anything to your phone !
Btw, can you tell me which is the current firmware's build number ?
Sent from my Legendary Hero2LTE using Tapatalk
Click to expand...
Click to collapse
So i dialed *#06# and it shows both my imei and sn. This isn't a sign that everything is ok? Is there a way to test if my efs is corrupted?
I'm sending you screenshots of about phone to see my build and android version.
View attachment 5025621
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Στάλθηκε από το SM-G935F μου χρησιμοποιώντας Tapatalk

achkap said:
So i dialed *#06# and it shows both my imei and sn. This isn't a sign that everything is ok? Is there a way to test if my efs is corrupted?
I'm sending you screenshots of about phone to see my build and android version.
View attachment 5025621View attachment 5025625
Στάλθηκε από το SM-G935F μου χρησιμοποιώντας Tapatalk
Click to expand...
Click to collapse
And the thing that troubles me most is that with a SIM card from a different provider I have data connection but no calls. Would that happen with corrupted efs?
Στάλθηκε από το SM-G935F μου χρησιμοποιώντας Tapatalk

achkap said:
And the thing that troubles me most is that with a SIM card from a different provider I have data connection but no calls. Would that happen with corrupted efs?
Στάλθηκε από το SM-G935F μου χρησιμοποιώντας Tapatalk
Click to expand...
Click to collapse
So yeah imei may still be okay but you can't verify that this wasn't changed or such, by the looks of it its either a changed imei which lost its certs when reflashing..
Or a bugged/corrupted efs which isn't letting you connect to the networks.. and it can only be resolved as i said by combination rom and efs backup..
Since your binary is the latest 8th, there is no combination rom available for it
Btw you could try this guide here .. who knows it may work lol..
https://forum.xda-developers.com/s7-edge/how-to/fix-imei-downgrading-g935f-fd-t3947911
Sent from my Legendary Hero2LTE using Tapatalk

shah22 said:
So yeah imei may still be okay but you can't verify that this wasn't changed or such, by the looks of it its either a changed imei which lost its certs when reflashing..
Or a bugged/corrupted efs which isn't letting you connect to the networks.. and it can only be resolved as i said by combination rom and efs backup..
Since your binary is the latest 8th, there is no combination rom available for it
Btw you could try this guide here .. who knows it may work lol..
https://forum.xda-developers.com/s7-edge/how-to/fix-imei-downgrading-g935f-fd-t3947911
Sent from my Legendary Hero2LTE using Tapatalk
Click to expand...
Click to collapse
Is there a way to downgrade to Android 7?

achkap said:
Is there a way to downgrade to Android 7?
Click to expand...
Click to collapse
Nope, not by conventional means.. a hardware box .. possibly but still no guarantee..
Thats why one should always research before immediately hopping in the "latest is best" train.. because often then not, it isn't the best if not the worst
Sent from my Legendary Hero2LTE using Tapatalk

shah22 said:
Nope, not by conventional means.. a hardware box .. possibly but still no guarantee..
Thats why one should always research before immediately hopping in the "latest is best" train.. because often then not, it isn't the best if not the worst
Sent from my Legendary Hero2LTE using Tapatalk
Click to expand...
Click to collapse
I'm flashing my phones since 2012. Never I had a problem like that. That's why I hurried to change rom. Anyway. Thank you for your help. You clarified several things for me. I think I'm going to try the above method you told me. The phone isn't usable anyway....
Thanks again