Can NOT flash stock ROM onto Samsung Galaxy S4!! - Galaxy S 4 Q&A, Help & Troubleshooting

I have tried for over 4 hours straight now. No matter what i do, i just get an error each time. My mobile data doesn't work, may be my fault because i rooted it them uninstalled a bunch of stuff that i thought was bloatware, but i may have gotten something else in the process. Phone still works perfectly fine, just mobile data does not. I know i have data too. Anyway, I flashed it before because i screwed up and put the wrong Android version on it, then got it to the one i wanted. But now i just want to get my mobile data working. I have already tried multiple fixes for it and come to no success. Anything helps. Thanks. USB debugging is enabled too.

Your error would be helpful.
Use the original cable and back USB ports. Use various Windows versions and Odin versions

You confirmed the model number in download mode matches Roms you are flashing?

Alright. I got it to work. This whole time it was a bad cable. Now i have another problem. Everything works fine on it, except the mobile data. It just doesn't work. Any ideas?

JeepGrandCherokee said:
Alright. I got it to work. This whole time it was a bad cable. Now i have another problem. Everything works fine on it, except the mobile data. It just doesn't work. Any ideas?
Click to expand...
Click to collapse
Is your APN set correctly?

GDReaper said:
Is your APN set correctly?
Click to expand...
Click to collapse
I checked the APN settings online. They were all correct. Today I put my friends sim card In my phone, at&t card, and everything worked. But he put my card in his phone and no data. But if I put my card in to my old Huawei phone, everything works fine. Could it just be that the sim card is set to work on my old Huawei only?

Sim cards aren't usually tied to a particular phone. Is the sim a prepaid AT&T Go card?

Have you tried contacting your carrier about that? Do they know you switched phones? I had a problem similar to that when I switched from my LG G2 to the Galaxy S4 with straight talk, I had to call my carrier, this was before I rooted either phone. Speaking of, was your mobile data working before you rooted?

Is your modem/bootloader matching the ROM you flashed?

audit13 said:
Sim cards aren't usually tied to a particular phone. Is the sim a prepaid AT&T Go card?
Click to expand...
Click to collapse
My friend's sim card is a at&t go sim card.

noozman7190 said:
Have you tried contacting your carrier about that? Do they know you switched phones? I had a problem similar to that when I switched from my LG G2 to the Galaxy S4 with straight talk, I had to call my carrier, this was before I rooted either phone. Speaking of, was your mobile data working before you rooted?
Click to expand...
Click to collapse
Mobile data never worked on this phone with my sim card, but did with my friends At&t go sim card. I called up tracfone, and they told me that it was a straight talk phone originally (i bought the phone used), and that it can't be switched over. Yet on the back of the phone under the battery it says "Tracfone Wireless". I thought it would work.

io_gh0st said:
Is your modem/bootloader matching the ROM you flashed?
Click to expand...
Click to collapse
I don't know that. How do i check?

JeepGrandCherokee said:
I don't know that. How do i check?
Click to expand...
Click to collapse
According to this thread, you can do this:
Code:
- Go to Settings -> About phone, see "Baseband version"
This is your modem version
- Run in terminal:
su
getprop gsm.version.baseband # This is your modem version
getprop ro.boot.bootloader # This is you bootloader version

JeepGrandCherokee said:
Mobile data never worked on this phone with my sim card, but did with my friends At&t go sim card. I called up tracfone, and they told me that it was a straight talk phone originally (i bought the phone used), and that it can't be switched over. Yet on the back of the phone under the battery it says "Tracfone Wireless". I thought it would work.
Click to expand...
Click to collapse
Model number SM-S975L?

noozman7190 said:
Model number SM-S975L?
Click to expand...
Click to collapse
My phone? Yes, that's what it says on the back under the battery. Although if i look in about in settings, it says its a SGH-I337.

io_gh0st said:
According to this thread, you can do this:
Code:
- Go to Settings -> About phone, see "Baseband version"
This is your modem version
- Run in terminal:
su
getprop gsm.version.baseband # This is your modem version
getprop ro.boot.bootloader # This is you bootloader version
Click to expand...
Click to collapse
getprop gsm.version.baseband came up with I337UCUFNB1
getprop ro.boot.bootloader came up with I337UCUFNB1

JeepGrandCherokee said:
My phone? Yes, that's what it says on the back under the battery. Although if i look in about in settings, it says its a SGH-I337.
Click to expand...
Click to collapse
Flash the ROM mentioned here.
That's currently what I'm using on my SM-S975L and works great with our phones. Alternatively a stock ROM for the SM-S975L can be found here.
Can you provide a link to the ROM you are currently using?

JeepGrandCherokee said:
My phone? Yes, that's what it says on the back under the battery. Although if i look in about in settings, it says its a SGH-I337.
Click to expand...
Click to collapse
For future reference, the model number in About phone can be easily changed, just by editing the device build.prop. Entering download mode and reading off the model number displayed on screen is definitive. Unlike About phone or the label beneath the battery, the number in download mode can't be changed.

Strephon Alkhalikoi said:
For future reference, the model number in About phone can be easily changed, just by editing the device build.prop. Entering download mode and reading off the model number displayed on screen is definitive. Unlike About phone or the label beneath the battery, the number in download mode can't be changed.
Click to expand...
Click to collapse
If i go into download mode, it still says its a SGH-I337.

noozman7190 said:
Flash the ROM mentioned here.
That's currently what I'm using on my SM-S975L and works great with our phones. Alternatively a stock ROM for the SM-S975L can be found here.
Can you provide a link to the ROM you are currently using?
Click to expand...
Click to collapse
I looked and, yes i'm picky, i want to stay in 4.4 kitkat because of the features the S4 has with it and the way it looks. (OCD may have something to do with that. Ha.) looked at the stock ROM link you gave me and that's 4.3. I will try that. I'm going to try and see if i can get this figured out with tracfone before i go and flash the rom though. As far as linking you what rom i have on here, i think this is it. https://www.androidfilehost.com/?fid=23501681358548937 Also, the stock ROM link you gave me lead to 502 bad gateway. after i clicked download from the site.

Related

Help - sim unlocked galaxy s4 as per instructions and now i get no sim error

http://forum.xda-developers.com/showthread.php?t=2286558
followed the above instructions to try and sim unlock my i337....first time it rebooted it asked me for a code..so i guess it didnt unlock. but when i put my original sim back in all i get now is sim not detected??
is there a way to reset the service mode stuff i went into so i can get a sim recognized again...help...
humzat said:
http://forum.xda-developers.com/showthread.php?t=2286558
followed the above instructions to try and sim unlock my i337....first time it rebooted it asked me for a code..so i guess it didnt unlock. but when i put my original sim back in all i get now is sim not detected??
is there a way to reset the service mode stuff i went into so i can get a sim recognized again...help...
Click to expand...
Click to collapse
I mentioned this in the other thread but you can go back through the menu steps and turn SHA256 back on and see if it makes a difference. You can also see if you have another "golden backup" with SHA256 on and see if you can restore it. It might not help or even work but at this point you have nothing to lose. In the future, pay attention to warnings and let the experience of others guide your decisions Good luck..
humzat said:
http://forum.xda-developers.com/showthread.php?t=2286558
followed the above instructions to try and sim unlock my i337....first time it rebooted it asked me for a code..so i guess it didnt unlock. but when i put my original sim back in all i get now is sim not detected??
is there a way to reset the service mode stuff i went into so i can get a sim recognized again...help...
Click to expand...
Click to collapse
If it asked for a code with a non-carrier sim then it is detecting a sim. If the original sim says no sim then make sure it is not in backwards.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Its not detecting any sim....oh man...no way to auto restore service mode defaults?
Anyone got any specific other instructions I can try in service mode. ...this is bad..
humzat said:
Its not detecting any sim....oh man...no way to auto restore service mode defaults?
Anyone got any specific other instructions I can try in service mode. ...this is bad..
Click to expand...
Click to collapse
Did you try what I suggested with the SHA256 settings??
Tried it...same error...it says its set back to on now..this is so depressing. Do I now have. 600 sollar brick
humzat said:
Tried it...same error...it says its set back to on now..this is so depressing. Do I now have. 600 sollar brick
Click to expand...
Click to collapse
Was there another "golden backup" available with SHA256ON? If so, try to restore it and see if it is the same. If it doesn't exist or it doesn't work, I would say you are screwed.
I only have one backup ..that's all I see tried to restore the existing nv backup still no go. I may cry
If I flash a modem file from odin will anything potentially fix it?
I had this same issue without even doing the unlock method. Found a blog somewhere where lots of ppl were having the same issue. Ended up having to warranty exchange.
Did you exchange through your carrier or through samsung directly
Also could you post the blog where that discussion is please
I wish there was another solution...I tried restoring nv settings everything looks to be as it were before I did this but same error
Very frustrated
bhp090808 said:
I had this same issue without even doing the unlock method. Found a blog somewhere where lots of ppl were having the same issue. Ended up having to warranty exchange.
Click to expand...
Click to collapse
Odin back to stock and see if that resolve the issue. If not then take the phone in to see if it's your sim card. If it's not the sim card then just get a replacement. Good luck.
humzat said:
Did you exchange through your carrier or through samsung directly
Also could you post the blog where that discussion is please
I wish there was another solution...I tried restoring nv settings everything looks to be as it were before I did this but same error
Very frustrated
Click to expand...
Click to collapse
Replaced through carrier. No issues. They said theyd had a lot of returns for this issue. Had my new phone the next day.
Is there a way to undo these changes, I mean revert back to original state/backup?
..
Try to Load Default NV
and it will rebuild your EFS ..
I just unlocked mine with this method.everthing went fine as far as I can tell ..on reboot it now says unlocked custum with a padlock animation "unlocked"i don't have another sim to test ...
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
ended up getting a carrier replacement - WARNING IF YOU ARE ON A CANADIAN ROGERS I337M DO NOT DO THIS!
humzat said:
ended up getting a carrier replacement - WARNING IF YOU ARE ON A CANADIAN ROGERS I337M DO NOT DO THIS!
Click to expand...
Click to collapse
I have a Rogers I337M, and it unlocks fine. Just bad luck?
humzat said:
ended up getting a carrier replacement - WARNING IF YOU ARE ON A CANADIAN ROGERS I337M DO NOT DO THIS!
Click to expand...
Click to collapse
Unfortunately, people don't read. The "Unlock for free" thread is full of warnings and there are still people screwing their phone's up. It's still full of, "Guys, it didn't work for me,why?" and my favorite, "Guys, my phone won't unlock at all now" threads. At this point, I just laugh at the fools. Oh, and the warnings were there before you tried it as well.

[Q] [SOLVED] 900w8 No Service

Hi there
Recently I encountered some issues with my Note 3. google playstore did not allow me to sign in and no notifications appeared on my screen (the phone has root, and TWRP). I decided to try out CM11, downloaded it from the original site along with gapps on my internal sd. i wiped data cache .. the usual and installed the two files except they did not do anything. I download the custom recovery 1.3gb file using odin. booted up and noticed that my service is not working. i called my service provider to see if the problem was on their end but wasnt. i factory reset the phone via settings... same problem. i went into recovery wiped data and cache booted up and same issue.
IMEI= has not been blacklisted
I occasionally do see bars appear however no change in service status
I tried flashing TWRP again and installing CM11 except i get a "failed" message "unable to mount"
I sure hope I did not kill this phone
any idea how do i get service back on my phone? everything else on the phone works besides service provider....
Thank you very much!!
Not sure if this means anything ...
When you had it working with a Touchwiz Rom it could have been your APN settings that were not allowing you to get signal.
If I were you I would start fresh and download the factory image from sammobile and flash it again using Odin. We can start troubleshooting from there.
Did you use this tutorial to get a custom recovery installed? Its really straightforward and I recommend this method over all others.
http://forum.xda-developers.com/showthread.php?t=2792819
RacecarBMW said:
When you had it working with a Touchwiz Rom it could have been your APN settings that were not allowing you to get signal.
If I were you I would start fresh and download the factory image from sammobile and flash it again using Odin. We can start troubleshooting from there.
Did you use this tutorial to get a custom recovery installed? Its really straightforward and I recommend this method over all others.
http://forum.xda-developers.com/showthread.php?t=2792819
Click to expand...
Click to collapse
I followed the steps exactly and I got this error.
MacProo said:
I followed the steps exactly and I got this error.
Click to expand...
Click to collapse
1. Check for Reactivation Lock
2. Check that you are NOT downgrading your bootloader.
EDIT: You are downgrading your bootloader, or else you wouldn't get the aboot fused 2 > binary 2 error.
You will have to flash stock, go to http://www.sammobile.com/firmwares/3/?download=26660
Flash that in AP of Odin. Then you will be reverted back to stock.
nicholaschum said:
1. Check for Reactivation Lock
2. Check that you are NOT downgrading your bootloader.
EDIT: You are downgrading your bootloader, or else you wouldn't get the aboot fused 2 > binary 2 error.
You will have to flash stock, go to http://www.sammobile.com/firmwares/3/?download=26660
Flash that in AP of Odin. Then you will be reverted back to stock.
Click to expand...
Click to collapse
I downloaded that file, used ODIN V3.09 selected the file under AP. the flash worked. bootloader version NB7 however I still do not get any service
i know the issue is not SIM card related. I swapped it to another phone and received service
MacProo said:
I downloaded that file, used ODIN V3.09 selected the file under AP. the flash worked. bootloader version NB7 however I still do not get any service
i know the issue is not SIM card related. I swapped it to another phone and received service
Click to expand...
Click to collapse
You might have to set up your APN settings after you have done that. You can google the APN settings for your carrier and then put them in manually by going Settings > Connections > More Networks > Mobile Networks > Access Point Names
You'll be able to add them in there.
MacProo said:
I downloaded that file, used ODIN V3.09 selected the file under AP. the flash worked. bootloader version NB7 however I still do not get any service
i know the issue is not SIM card related. I swapped it to another phone and received service
Click to expand...
Click to collapse
Is your IMEI (*#06#) a real IMEI that matches with the values at the back of your phone, and not just null/null?
nicholaschum said:
Is your IMEI (*#06#) a real IMEI that matches with the values at the back of your phone, and not just null/null?
Click to expand...
Click to collapse
*#06# gives me a matching IMEI with the back of the phone
MacProo said:
*#06# gives me a matching IMEI with the back of the phone
Click to expand...
Click to collapse
Put your SIM in your phone, download Advanced Signal Status from the Play Store, and show us some screenshots.
In this menu you get to see more information about what is going on with your network.
Have you also made sure your APN settings are set correctly?
RacecarBMW said:
You might have to set up your APN settings after you have done that. You can google the APN settings for your carrier and then put them in manually by going Settings > Connections > More Networks > Mobile Networks > Access Point Names
You'll be able to add them in there.
Click to expand...
Click to collapse
nicholaschum said:
Put your SIM in your phone, download Advanced Signal Status from the Play Store, and show us some screenshots.
In this menu you get to see more information about what is going on with your network.
Have you also made sure your APN settings are set correctly?
Click to expand...
Click to collapse
I compared APN setting between my two devices (both are the same carrier and same model of phone ((borrowing from someone)). APN settings were the same except APN Protocol and APN roaming protocol were dark and could not be changed. even though i couldn't change it it was still listed as ipv4 same as the working phone.
If you need any other information, please let me know
MacProo said:
I compared APN setting between my two devices (both are the same carrier and same model of phone ((borrowing from someone)). APN settings were the same except APN Protocol and APN roaming protocol were dark and could not be changed. even though i couldn't change it it was still listed as ipv4 same as the working phone.
If you need any other information, please let me know
Click to expand...
Click to collapse
Any other suggestions? the phone is still dead
You could try resetting the nvram. Check my thread here: http://forum.xda-developers.com/showthread.php?t=2754957
My thread is for the 900t, but it should be the same for your model.
Sent from my leanKernel 3.4 powered stock 4.4.2 (NF1) SM-N900T
toastido said:
You could try resetting the nvram. Check my thread here: http://forum.xda-developers.com/showthread.php?t=2754957
My thread is for the 900t, but it should be the same for your model.
Sent from my leanKernel 3.4 powered stock 4.4.2 (NF1) SM-N900T
Click to expand...
Click to collapse
I gave that a try, rebooted the phone, attempted a call and "Not registered on network"
would changing the ROM have any impact on the service for whatever reason? i gave CM11 a try but wouldn't instal.
Seeing all that you've tried, the one thing i don't see tried is the sim card. Have you tried your sim in another phone, or another known good sim in yours? The fact it gets signal but doesn't register with the network makes me think the sim had somehow gotten corrupted.
Sent from my leanKernel 3.4 powered stock 4.4.2 (NF1) SM-N900T
toastido said:
Seeing all that you've tried, the one thing i don't see tried is the sim card. Have you tried your sim in another phone, or another known good sim in yours? The fact it gets signal but doesn't register with the network makes me think the sim had somehow gotten corrupted.
Sent from my leanKernel 3.4 powered stock 4.4.2 (NF1) SM-N900T
Click to expand...
Click to collapse
That'd be a bit weird, but yeah you should ask your friend's phone to try your SIM card.
nicholaschum said:
That'd be a bit weird, but yeah you should ask your friend's phone to try your SIM card.
Click to expand...
Click to collapse
As of right now I am borrowing a friends phone (also a 900w8) with my SIM card and everything seems to be working
If anyone has ANY suggestions I'm willing to give that a try.
I appreciate everyones suggestions and help!
toastido said:
Seeing all that you've tried, the one thing i don't see tried is the sim card. Have you tried your sim in another phone, or another known good sim in yours? The fact it gets signal but doesn't register with the network makes me think the sim had somehow gotten corrupted.
Sent from my leanKernel 3.4 powered stock 4.4.2 (NF1) SM-N900T
Click to expand...
Click to collapse
The SIM does work on another phone.
MacProo said:
The SIM does work on another phone.
Click to expand...
Click to collapse
I'm not sure then. hopefully someone can come in from here.... sorry man, best of luck!
Sent from my leanKernel 3.4 powered stock 4.4.2 (NF1) SM-N900T
toastido said:
I'm not sure then. hopefully someone can come in from here.... sorry man, best of luck!
Sent from my leanKernel 3.4 powered stock 4.4.2 (NF1) SM-N900T
Click to expand...
Click to collapse
Thank you!
nicholaschum said:
1. Check for Reactivation Lock
2. Check that you are NOT downgrading your bootloader.
EDIT: You are downgrading your bootloader, or else you wouldn't get the aboot fused 2 > binary 2 error.
You will have to flash stock, go to http://www.sammobile.com/firmwares/3/?download=26660
Flash that in AP of Odin. Then you will be reverted back to stock.
Click to expand...
Click to collapse
Would trying your method (http://forum.xda-developers.com/showthread.php?t=2792819) but changing the bootloader to NB7 work?
"If your bootloader is of version NA2 (somehow) or NB7, skip to the contents of Step 4," rather than proceeding to step 4 going to step 1?

No sim/network after lollipop update

Hello, i have a problem, i updated phone to lollipop and after that i don't have network. My G2 is 16gb D802 from UAE.
I tried to fix it but unsuccessfully. I tried:
-Kdz flashing lollipop
-TOT flashing
-Some tricks with airplane mode
Can anybody help me?
Filipmm3 said:
Hello, i have a problem, i updated phone to lollipop and after that i don't have network. My G2 is 16gb D802 from UAE.
I tried to fix it but unsuccessfully. I tried:
-Kdz flashing lollipop
-TOT flashing
-Some tricks with airplane mode
Can anybody help me?
Click to expand...
Click to collapse
Yes, turn on your phone, take your sim card out and re install it, go to network setting and set it to global, leave it like that for some time and it will automatically set your network.
I have had same issue, after updating a rom i get no network. So i set it to global and leave it like that for almost an hour then when i reached my phone again, its connected to network.
Didn't help
iubjaved said:
Yes, turn on your phone, take your sim card out and re install it, go to network setting and set it to global, leave it like that for some time and it will automatically set your network.
I have had same issue, after updating a rom i get no network. So i set it to global and leave it like that for almost an hour then when i reached my phone again, its connected to network.
Click to expand...
Click to collapse
That didn't help, but thanks. I think i found a problem when i get in unlock sim menu it says that may phone is permanently locked and can't be unlocked, does someone know how to fix that?
Filipmm3 said:
That didn't help, but thanks. I think i found a problem when i get in unlock sim menu it says that may phone is permanently locked and can't be unlocked, does someone know how to fix that?
Click to expand...
Click to collapse
Dunno why its sim locked. Did it used to detect sim before?
If you want to unlock it, refer to this thread : http://forum.xda-developers.com/showthread.php?t=2455956
You might need to pay couple bucks.
GL
iubjaved said:
Dunno why its sim locked. Did it used to detect sim before?
If you want to unlock it, refer to this thread : http://forum.xda-developers.com/showthread.php?t=2455956
You might need to pay couple bucks.
GL
Click to expand...
Click to collapse
I can't type unlock code it doesn't let me, when i go to unlock menu 2945#*802# it says that phone is permanently locked and can't be unlocked.
Filipmm3 said:
I can't type unlock code it doesn't let me, when i go to unlock menu 2945#*802# it says that phone is permanently locked and can't be unlocked.
Click to expand...
Click to collapse
Hi
Please refer to this guide : http://forum.xda-developers.com/showthread.php?p=45126002#post45126002
iubjaved said:
Hi
Please refer to this guide : http://forum.xda-developers.com/showthread.php?p=45126002#post45126002
Click to expand...
Click to collapse
I will try that, but now i don't have another G2. Thank you very much. If somebody can send me that efs files i would be very grateful.
Filipmm3 said:
I will try that, but now i don't have another G2. Thank you very much. If somebody can send me that efs files i would be very grateful.
Click to expand...
Click to collapse
I have verizon variant g2 but i ll get a backup of my efs later today and send u
Sent from my LG-VS980 using XDA Labs
can you plz send me the file also for the lgg2 for verizon im having the same issue

[Help][No Sim Card Working][HUGE Issue!!]No service issue and blank imei PLEASE HEL

My brother who lives in dubai used his sim card in this phone but ever since i got the phone in Pakistan ive tried using my sim but i get no service.
My guess is it only works with 4g LTE but i cant try cuz where i live here's only 3g and 2g coverage.
So i started using it as a wifi tablet.
Dialed *#06# and it showed both imei numbers but ever si ce i updated to purenexus 7.1.2 rom it gives me the same service error but dialing *#06# gives nothing but two plain zeroes like in the screenshot. Can anyone please help me resolve this i would greatly appreciate any help regarding this.please help my phone is useless without a sim card.
Screenshots show how it detects the sim card perfectly and gets the number.
-searches for available networks but cant register on a network:crying:
-Screenshots
alihassan1397 said:
-Screenshots
Click to expand...
Click to collapse
Do the network settings reset, see if it works. if not, install app called LTE Discovery and reset thru it. if still fails, flash stock rom
pijes said:
Do the network settings reset, see if it works. if not, install app called LTE Discovery and reset thru it. if still fails, flash stock rom
Click to expand...
Click to collapse
Please bro u gotta help me. Non of it is workin. I flashed a debloated version of stock rom through
Twrp. But imei is still zero. Im freaking out I don't know what to do
alihassan1397 said:
Please bro u gotta help me. Non of it is workin. I flashed a debloated version of stock rom through
Twrp. But imei is still zero. Im freaking out I don't know what to do
Click to expand...
Click to collapse
Flash stock rom using rsdlite
pijes said:
Do the network settings reset, see if it works. if not, install app called LTE Discovery and reset thru it. if still fails, flash stock rom
Click to expand...
Click to collapse
pijes said:
Flash stock rom using rsdlite
Click to expand...
Click to collapse
I've never used rsdlite. Can u please provide me a tutorial for my phone and how I can flash all the files. I only know flashing through fastboot or twrp. Thanks
EDIT: will try this tomorrow when I have access to my pc.
https://forum.xda-developers.com/moto-x-play/general/guide-how-to-flash-factory-image-using-t3545303

FRP Locked S8 G950U

I have a Galaxy S8 that is FRP locked.
The exact model and version is: 8.0.0/R16NW/G950USQS3CRE2
From what I understand this has the v3 bootloader and Oreo, correct?
I need some help getting this phone unlocked. Anyone care to lend a hand? I can use Odin and ADB just fine, I just need to find the correct files needed for the version I have.
Also, if I can actually get the correct files., can someone outline the steps needed to do this? I've been trying to unlock this thing for about three weeks and my brain is turned to mush with all the things I've tried.
Please don't send me PMs trying to get me to contact through other means.
nookle said:
I have a Galaxy S8 that is FRP locked.
The exact model and version is: 8.0.0/R16NW/G950USQS3CRE2
From what I understand this has the v3 bootloader and Oreo, correct?
I need some help getting this phone unlocked. Anyone care to lend a hand? I can use Odin and ADB just fine, I just need to find the correct files needed for the version I have.
Also, if I can actually get the correct files., can someone outline the steps needed to do this? I've been trying to unlock this thing for about three weeks and my brain is turned to mush with all the things I've tried.
Please don't send me PMs trying to get me to contact through other means.
Click to expand...
Click to collapse
Hey. Don't worry. Frp lock is a protection for your phone this occurs when your oem lock is on. To unlock it go into developer options and then tick the oem unlock option . But for now your phone locked all you can do it flash stock firmware using odin . That's the only way . I know the data ma be precious inside the phone but it be useless until phone in not booting . So ho and flash stock firmware for your device from sammobile.com
Thats all . I hope may this helps you and inform me as soon as possible.
Stay Blessed?
Sorry for bad english.
Rana Ahmad said:
Hey. Don't worry. Frp lock is a protection for your phone this occurs when your oem lock is on. To unlock it go into developer options and then tick the oem unlock option . But for now your phone locked all you can do it flash stock firmware using odin . That's the only way . I know the data ma be precious inside the phone but it be useless until phone in not booting . So ho and flash stock firmware for your device from sammobile.com
Thats all . I hope may this helps you and inform me as soon as possible.
Stay Blessed
Sorry for bad english.
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Click to collapse
Yeah, flashing the firmware doesn't reset the FRP. Tried just AP, AP and BL, all five, doesn't matter. On first boot it requires the previous owner to log in. It's stored somewhere that's not touched by the flashing process somehow. Or it fails. After doing all five files on first boot it says it's installing something, gets into the 30% range, then says erasing for a bit and reboots.
Is there any way to do this?
Rana Ahmad said:
Hey. Don't worry. Frp lock is a protection for your phone this occurs when your oem lock is on. To unlock it go into developer options and then tick the oem unlock option . But for now your phone locked all you can do it flash stock firmware using odin . That's the only way . I know the data ma be precious inside the phone but it be useless until phone in not booting . So ho and flash stock firmware for your device from sammobile.com
Thats all . I hope may this helps you and inform me as soon as possible.
Stay Blessed
Sorry for bad english.
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Click to collapse
There is no oem unlock on a U model. Need to study up a bit before advising.
nookle said:
Yeah, flashing the firmware doesn't reset the FRP. Tried just AP, AP and BL, all five, doesn't matter. On first boot it requires the previous owner to log in. It's stored somewhere that's not touched by the flashing process somehow. Or it fails. After doing all five files on first boot it says it's installing something, gets into the 30% range, then says erasing for a bit and reboots.
Is there any way to do this?
Click to expand...
Click to collapse
flash a combination file factory reset from combo then flash legit bit 3 or higher firmware. The 30% failure after erasing is normal. 32% normally
Thanks for the reply. Is this what I need?
https://forum.xda-developers.com/ga...bination-files-bit-5-g950uu1-g955uu1-t3816112
I've never done a combination file, so not sure what's involved.
nookle said:
Thanks for the reply. Is this what I need?
https://forum.xda-developers.com/ga...bination-files-bit-5-g950uu1-g955uu1-t3816112
I've never done a combination file, so not sure what's involved.
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Click to collapse
Yes flash it in odin. It's a single file
TheMadScientist said:
Yes flash it in odin. It's a single file
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If I may ask, what is a "combination file?" What exactly does it do? I'll flash it this evening after work.
nookle said:
If I may ask, what is a "combination file?" What exactly does it do? I'll flash it this evening after work.
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Click to collapse
Its test and diagnostic firmware released by Samsung. It is not a usable rom. You'll flash this. Factory reset from inside the settings menu. Then you can reflash official firmware. And you should be good to go unless this has been patched
TheMadScientist said:
Its test and diagnostic firmware released by Samsung. It is not a usable rom. You'll flash this. Factory reset from inside the settings menu. Then you can reflash official firmware. And you should be good to go unless this has been patched
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Click to collapse
So I went ahead and flashed the combination file in the first link and did a factory reset. Now when I try to flash the files I already have it fails. I'm assuming that's because I flashed a bit 5 combination firmware, and the stock files I have are not bit 5.
How do I know which firmware files I need? Do I need to do all files (BL, AP, CP, CSC) or just one? It's very hard to figure out what to do when everything I read is different.
nookle said:
So I went ahead and flashed the combination file in the first link and did a factory reset. Now when I try to flash the files I already have it fails. I'm assuming that's because I flashed a bit 5 combination firmware, and the stock files I have are not bit 5.
How do I know which firmware files I need? Do I need to do all files (BL, AP, CP, CSC) or just one? It's very hard to figure out what to do when everything I read is different.
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Click to collapse
Yea you need bit 5 files. Flash all 4. If you look at a firmware number. 5th dig from far end will be a 1-6 that's the current bit, anti rollback whatever you want to call it.
TheMadScientist said:
Yea you need bit 5 files. Flash all 4. If you look at a firmware number. 5th dig from far end will be a 1-6 that's the current bit, anti rollback whatever you want to call it.
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Click to collapse
Thank you so much for the help. I'm getting closer.
I am currently downloading a file called G950USQU5DSC1. Should be bit 5. I'm pretty sure it's for Sprint, and this phone was originally Verizon. Will this be a problem? I'd very much prefer AT&T or T-Mobile, but Verizon might be OK if I'm locked to it.
nookle said:
Thank you so much for the help. I'm getting closer.
I am currently downloading a file called G955USQU5DSC1. Should be bit 5. I'm pretty sure it's for Sprint, and this phone was originally Verizon. Will this be a problem? I'd very much prefer AT&T or T-Mobile, but Verizon might be OK if I'm locked to it.
Click to expand...
Click to collapse
verizon firmware is unlocked sim wise sprint firm probably wont work but also should setup based off of your sim card inserted.
dsc1 i believe is pie which is awesome on s8 you can change carrier also with the combination file pretty much as your doing with each personalized firmware to each carrier
TheMadScientist said:
verizon firmware is unlocked sim wise sprint firm probably wont work but also should setup based off of your sim card inserted.
dsc1 i believe is pie which is awesome on s8 you can change carrier also with the combination file pretty much as your doing with each personalized firmware to each carrier
Click to expand...
Click to collapse
I'm grabbing the file from this page: https://www.theandroidsoul.com/samsung-galaxy-s8-firmware/
How can I tell which carrier is which? I'd rather just flash the correct one off the bat. Looks like the only one on that page for the 950U that is Pie is the Sprint one. I don't have a SIM. Well, I could take the one out of my current phone temporarily if it'll help set it up correctly.
Is the process for switching carriers just flashing the CSC file? Or is it more involved.
EDIT: There is a CRK1 file that is U5 and Oreo. Pretty sure that is Verizon. Cancelled the other file and am downloading this one. Going to take a while, using my phone as it's faster than my home internet.
nookle said:
I'm grabbing the file from this page: https://www.theandroidsoul.com/samsung-galaxy-s8-firmware/
How can I tell which carrier is which? I'd rather just flash the correct one off the bat. Looks like the only one on that page for the 950U that is Pie is the Sprint one. I don't have a SIM. Well, I could take the one out of my current phone temporarily if it'll help set it up correctly.
Is the process for switching carriers just flashing the CSC file? Or is it more involved.
EDIT: There is a CRK1 file that is U5 and Oreo. Pretty sure that is Verizon. Cancelled the other file and am downloading this one. Going to take a while, using my phone as it's faster than my home internet.
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Click to collapse
The CsC determines sales code and carrier setup. I use sammobile or updato.com they have all firmwares needed
Boom. It worked. Typing this on the S8. Even accepted my AT&T SIM and connected to data.
Flashed an 8.0 firmware, but it seems to be getting updates. Maybe it'll update automatically to 9.
Anyway, thanks again. Free S8 is nice.
nookle said:
Boom. It worked. Typing this on the S8. Even accepted my AT&T SIM and connected to data.
Flashed an 8.0 firmware, but it seems to be getting updates. Maybe it'll update automatically to 9.
Anyway, thanks again. Free S8 is nice.
Click to expand...
Click to collapse
Good deal glad it worked
nookle said:
Thank you so much for the help. I'm getting closer.
I am currently downloading a file called G950USQU5DSC1. Should be bit 5. I'm pretty sure it's for Sprint, and this phone was originally Verizon. Will this be a problem? I'd very much prefer AT&T or T-Mobile, but Verizon might be OK if I'm locked to it.
Click to expand...
Click to collapse
that firmware is from sprint. something worth sharing is that all S8's designated for the US market are literally the exact same physically. You CAN flash whatever firmware you want for whatever carrier on a g950u. You will need a modified version of Odin to flash firmwares originally intended for a different phone tho. I had the FRP lock on my dads old S5 the other day, but i was able to get thru it with my gmail information oddly enough. Not sure why google thought that authenticating use on that device per my gmail account credentials was ok, but..... ok i guess.
Once you get the phone up and running, put a sim card from whatever provider you intend on using in the phone, if it asks you for an unlock code, then youll need to get one from the original carrier it was intended for or a third party paid site. AT&T has a sim unlock tool on their own site you can try.
Teh reason i mentioned that all the S8s intended for the USA are literally identical is because you can take a sprint S8 and use it on Verizon, AT&T, T-Mob blah blah provided youve flashed the correct firmware, which is either the U1 version or the bespoke firmware for that carrier
youdoofus said:
that firmware is from sprint. something worth sharing is that all S8's designated for the US market are literally the exact same physically. You CAN flash whatever firmware you want for whatever carrier on a g950u. You will need a modified version of Odin to flash firmwares originally intended for a different phone tho. I had the FRP lock on my dads old S5 the other day, but i was able to get thru it with my gmail information oddly enough. Not sure why google thought that authenticating use on that device per my gmail account credentials was ok, but..... ok i guess.
Once you get the phone up and running, put a sim card from whatever provider you intend on using in the phone, if it asks you for an unlock code, then youll need to get one from the original carrier it was intended for or a third party paid site. AT&T has a sim unlock tool on their own site you can try.
Teh reason i mentioned that all the S8s intended for the USA are literally identical is because you can take a sprint S8 and use it on Verizon, AT&T, T-Mob blah blah provided youve flashed the correct firmware, which is either the U1 version or the bespoke firmware for that carrier
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Click to collapse
Very good info. Thanks.
When I first booted the phone after flashing I had put my StraightTalk AT&T SIM in and it connected right away. It also started downloading and installing system updates, all the way through the Android 9 upgrade and the August security update. Pretty cool. The only thing I see is after a reboot or power on a notification pops saying that a non-Verizon SIM is installed. But that notification can be dismissed, and as far as I can see doesn't recur until next boot. So easily ignored. And there's Verizon specific bloatware. Maybe I'll download AT&T and T-Mobile images just in case. I've been thinking about carrier hopping, as I have pretty poor AT&T coverage in my area, since with StraightTalk I can get a Verizon SIM added to my plan and take my AT&T one off pretty easily.
I haven't really used the phone much yet, as I'm waiting on a case, but I'm not sure I'm going to like the Samsung skin. I'm used to a very stock Android experience, as I've only really used Motorola phones and my current Nokia 6.1. I just like plain vanilla Android. But I'll give it a shot. Already installed Nova Launcher and F-Droid.
followed everything on this thread, uploaded 5 level firmware files just fine, but now i get a "system software not authorized by at&t.." message.. any help?
troolplay1 said:
followed everything on this thread, uploaded 5 level firmware files just fine, but now i get a "system software not authorized by at&t.." message.. any help?
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Click to collapse
It's ok. Treat it as download mode and flash

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