Recovering from brick - Galaxy S6 General

I dont know if this has been mentioned before, but i think it is quite important and could be helpful to many people.
The other week I attempted to make a modification to what is displayed at boot and screwed up somewhere causing my device to become somewhat bricked. Literally the only thing I could boot into was Download mode. Recovery mode was gone. Normal boot was gone. Just black screens and no response.
To fix this, I attempted to reflash the BTU firmware via Odin. Nada. Exactly the same. I was in a genuine panic.
Then I thought about Smart Switch on my PC. That has an emergency restore feature, I'll try that. Hallelujah!! It worked! But only because of a precaution I had previously taken, and this is the reason I am posting.
If you fire up Smart Switch and look and the emergency recovery part, you need to enter your model number (in my case, all in capitals, SM-G920F). After that, you then need your Serial Number. Unhelpfully, Smart Switch "kindly" tells you that it can be found under the battery...... #@$€!!!!! But it can also be found in the Settings -> About Device -> Status menu. Near the bottom.
I STRONGLY suggest that people make a note of this serial number, as it is not on the box or anywhere else I have looked. Previously making a note of that string of digits is the only thing that saved me from being without my phone.
Settings -> About Device -> Status -> Serial Number
Write it down and keep it safe.
By doing so, you can recover your device, partitions and all, to the same branded firmware that came with your phone (probably the most up to date one if it's been updated, but I don't know for sure yet).

Thanks for the tip but my g920f has the IMEI and S/N printed on its back.
Gesendet von meinem KFTHWI mit Tapatalk

d3l1 said:
Thanks for the tip but my g920f has the IMEI and S/N printed on its back.
Gesendet von meinem KFTHWI mit Tapatalk
Click to expand...
Click to collapse
You know what? I've just realised it's on mine too I had to take my protective case off, and use a torch to be able to see it, but it's there.
Damn.. Haha. Never thought to look.
At least it's out in the open for all to know (including recovering from potential partition screw ups).
Cheers!!

Related

[THE REAL FIX] your Xperia Z1, knowing your real version [ONLY LOCKED BOOTLOADERS]

Hello community,
I being using the forum (since my Xperia arc) and its being great (but I have to be honest, never registered here)
I got a good opportunity to buy a Xperia Z1 really cheap, because the original owner didnt know which version he has (he said C6903 but it was C6902 thanks for the guy I am going to show you the guide) So, he end up in a boot loop. Multiple user here reported Xperia z1 dead, but this happened because when the phone enters in a boot loop, the screen turns on without knowing it is on, so you never did the reset trick (Power+ Volume +) to shutdown the phone properly (or the red buttom in the SIM tray)
Also something really important happened, when I flashed the firmware C6903 into my C6902, this end up in a boot loop and most of the users are reporting, NO IMEI or BASEBAND (was saying unknown)
The user from the Dev here (Nidhal), helped me out to fix the phone, and thanks to that user on Ebay, I can clearly say that 90% of the brick is the user fault.
PLEASE REMEMBER, THIS IS ONLY FOR LOCKED BOOTLOADERS, DONT REPLY IF YOU HAVE UNLOCKED BOOTLOADER:
So lets start:
1- First, lets know what is your real version of the Z1 you have , in your SIM tray (take a look of attachment picture), simply detach the cover of the micro SIM card slot. Place a fingernail under the right or left edge of the label tray, then drag the tray outwards to view your model and IMEI (also SI), this will help you of the 80% of the problem.
2- Now that you really know which version you have (in my case is C6902), you can start downloading the correct firmware. IF YOU ARE IN 4.3, use this guide to downgrade to 4.2.2 (using NUTT firmware .534)
http://forum.xda-developers.com/showthread.php?t=2572988
If you are in 4.2.2, just download the correct firmware from the label you got from your SIM slot.
3-Always remember to make a backup before flashing. When you are in flashtool, flash the firmware of your phone version and very important WIPE APPSLOG, CACHE and DATA.
Believe me, theres a lot of users think they have a model, but they aren't, so I hope you can fix your phone, like me.
Regards and good luck.
Almost six months with this phone and I had not noticed this tab.
CSL00 said:
Almost six months with this phone and I had not noticed this tab.
Click to expand...
Click to collapse
Thats why I did this, this little detail save lots of Z1, keep it up, make it sticky.
matrixone01 said:
Hello community,
I being using the forum (since my Xperia arc) and its being great (but I have to be honest, never registered here)
I got a good opportunity to buy a Xperia Z1 really cheap, because the original owner didnt know which version he has (he said C6903 but it was C6902 thanks for the guy I am going to show you the guide) So, he end up in a boot loop. Multiple user here reported Xperia z1 dead, but this happened because when the phone enters in a boot loop, the screen turns on without knowing it is on, so you never did the reset trick (Power+ Volume +) to shutdown the phone properly (or the red buttom in the SIM tray)
Also something really important happened, when I flashed the firmware C6903 into my C6902, this end up in a boot loop and most of the users are reporting, NO IMEI or BASEBAND (was saying unknown)
The user from the Dev here (Nidhal), helped me out to fix the phone, and thanks to that user on Ebay, I can clearly say that 90% of the brick is the user fault.
PLEASE REMEMBER, THIS IS ONLY FOR LOCKED BOOTLOADERS, DONT REPLY IF YOU HAVE UNLOCKED BOOTLOADER:
So lets start:
1- First, lets know what is your real version of the Z1 you have , in your SIM tray (take a look of attachment picture), simply detach the cover of the micro SIM card slot. Place a fingernail under the right or left edge of the label tray, then drag the tray outwards to view your model and IMEI (also SI), this will help you of the 80% of the problem.
2- Now that you really know which version you have (in my case is C6902), you can start downloading the correct firmware. IF YOU ARE IN 4.3, use this guide to downgrade to 4.2.2 (using NUTT firmware .534)
http://forum.xda-developers.com/showthread.php?t=2572988
If you are in 4.2.2, just download the correct firmware from the label you got from your SIM slot.
3-Always remember to make a backup before flashing. When you are in flashtool, flash the firmware of your phone version and very important WIPE APPSLOG, CACHE and DATA.
Believe me, theres a lot of users think they have a model, but they aren't, so I hope you can fix your phone, like me.
Regards and good luck.
Click to expand...
Click to collapse
For me, I just go through Setting>About Phone>Model number. Or just have a look at the packaging (for model number and Imei) and cross check with the imei shown on the device. C6902/C6903 is a matter of which region/country you're buying from.
I never noticed this
matrixone01 said:
Hello community,
I being using the forum (since my Xperia arc) and its being great (but I have to be honest, never registered here)
I got a good opportunity to buy a Xperia Z1 really cheap, because the original owner didnt know which version he has (he said C6903 but it was C6902 thanks for the guy I am going to show you the guide) So, he end up in a boot loop. Multiple user here reported Xperia z1 dead, but this happened because when the phone enters in a boot loop, the screen turns on without knowing it is on, so you never did the reset trick (Power+ Volume +) to shutdown the phone properly (or the red buttom in the SIM tray)
Also something really important happened, when I flashed the firmware C6903 into my C6902, this end up in a boot loop and most of the users are reporting, NO IMEI or BASEBAND (was saying unknown)
The user from the Dev here (Nidhal), helped me out to fix the phone, and thanks to that user on Ebay, I can clearly say that 90% of the brick is the user fault.
PLEASE REMEMBER, THIS IS ONLY FOR LOCKED BOOTLOADERS, DONT REPLY IF YOU HAVE UNLOCKED BOOTLOADER:
So lets start:
1- First, lets know what is your real version of the Z1 you have , in your SIM tray (take a look of attachment picture), simply detach the cover of the micro SIM card slot. Place a fingernail under the right or left edge of the label tray, then drag the tray outwards to view your model and IMEI (also SI), this will help you of the 80% of the problem.
2- Now that you really know which version you have (in my case is C6902), you can start downloading the correct firmware. IF YOU ARE IN 4.3, use this guide to downgrade to 4.2.2 (using NUTT firmware .534)
http://forum.xda-developers.com/showthread.php?t=2572988
If you are in 4.2.2, just download the correct firmware from the label you got from your SIM slot.
3-Always remember to make a backup before flashing. When you are in flashtool, flash the firmware of your phone version and very important WIPE APPSLOG, CACHE and DATA.
Believe me, theres a lot of users think they have a model, but they aren't, so I hope you can fix your phone, like me.
Regards and good luck.
Click to expand...
Click to collapse
I never noticed this before and would probably have never noticed it too.. But I bought with the bill, box and everything so it says everywhere that is it c6902 so no surprises there. Must be more useful for somebody buying secondhand/used or something like that..
Azmil2307 said:
For me, I just go through Setting>About Phone>Model number. Or just have a look at the packaging (for model number and Imei) and cross check with the imei shown on the device. C6902/C6903 is a matter of which region/country you're buying from.
Click to expand...
Click to collapse
Most of the people here ,get the phone by second hand, if you dont have the issues stated in the first post, you can ignore this, but a lot of users, get the phone by second hand, this is the case of the post
Azmil2307 said:
For me, I just go through Setting>About Phone>Model number. Or just have a look at the packaging (for model number and Imei) and cross check with the imei shown on the device. C6902/C6903 is a matter of which region/country you're buying from.
Click to expand...
Click to collapse
OP says its bricked. So tell me how you eanna go and take a look in the Settings?
Nice one OP!
Lol It's really a nice once.... When I bought my Z1 (also second hand) I was searching for the Imei number all over the phone and I couldn't find it... Of course then I turned the phone on to check it, but I like to double check and even triple check when buying a second hand phone
Hi Jose!
i'm glad u opened a thread concerning the issue u had in ur phone to help the others solve it in theirs as u did!
It's me Nidhal
That's madness I never knew that was there
Sent from my C6903 using xda app-developers app
any idea how to identify a z1 pcb without having the identification tag?
does anyone try this method? *#*#7378423#*#*
its the best way to know your device model, IMEI etc. (if you dont have the PVC something in the phone)
I have a problem....so I checked my Z1 numbers, its C6903, no surprise, but the SI number is different from the one, corresponding in XperiFirm....its strange, i bought my Z1 from Three mobile UK, and in XperiFirm, the SI number corresponding to Three mobile UK is 1276-0589...but on my device on the label it is written 1275-6865....why is this like that, anyone have a clue? And also, in XperiFirm there is no firmware, corresponding to my SI number....I have this problem also with my other phone, Xperia E3
Thanks guys to let this threat live again, I had lot of replys thanks to this post!!!
For all the replys about how to check your Xperia Z1 version, with this simple method, you dont need to turn on the device and starting wasting your time, this method is free battery consuming (think about the case, your battery is completed dead and you cant turn on your device) , free code combinations, dont need to turn on the device, so you can start flashing your device right away.
I hope that new people fix their devices, usually the Z1 is problem free if you dont:
-Drop it
-Dont remove the charger or sd card cover too much (I use the chinese version of the magnetic adapter from 1 year and going strong, also I just updated the quick charger and IT IS GOOD)
-If you use it on the beach and not clean the device with normal water
-If you tweak too much the device (optimizer apps, some weird things with power management of the processor)
AND NO GUYS ,I DONT WORK FOR SONY, i just own one and I know what I have, but I must say this new Kitkat with SD limitation, is filling up a little the internal storage, having a 64gb micro sd on the device.

[Q] Help!! Customer's Phone stuck on Secure Fail: Kernal

A customer of mine came in and her Galaxy Note 3 with Verizon is stuck on a weird boot screen with Secure Fail: Kernel in the upper left hand corner, then across the entire center in much larger print is " System Software Not Authorized By Verizon..." then it tells her to return it to a Verizon store, or something to that affect. She told me she didnt try to flash or root at all; this just happened. VZW is going to swap her out, but she has all of her baby pics on her phone from Pregnancy through 2 years old(No she didnt use a micro card). I dont want to do a factory restore for obvious reasons. Is there a way to get her phone out of this boot lock without losing her data? I'm more of a hardware guy than a software guy, but I have done some flashing in the past. Please get back back to me ASAP, this woman was almost in tears in my store. THANX!!!
Oh, I also forgot to mention, my pc wont even pick up anything is connected when trying to connect via USB, so I'm guessing it would have to be a key combination that wont wipe the data.
She ore someone else tried to flash an custom Kernel or Rom on the Device. Verizon locked the Bootloader, so it failed and now it can't Boot.
Use Odin to reflash the OG Factory Rom.
Turn the Device off and start it by pressing & holding Power + Home + Vol.down.
You should boot into Download Mode > confirm it with Vol.up
DON'T tick Factory reset. Just put the FW and tick Auto-Reboot. There's an specific Verizon Note 3 Forum on XdA. Head over there and ask for help. Verizon Devices maybe different than the international onces, so to be 100% sure please look for the right Samsung Firmware and tutorials there.
http://forum.xda-developers.com/showthread.php?t=2483380
Gesendet von meinem SM-N9005
...from pregnancy through 2 years. LOL
But the phone is 8 months old.
Sent from my N9005
I didnt even think of that, the phone isnt even two years old. Maybe she had VZW use a Cellbrite to move data over from whatever device she used to have.

[Q] SM-N9005 - LTE Frequency Bands (Bell Canada)

Hi, everyone. This is my first post on XDA. I'm in Eastern Canada, and my local area just recently got LTE coverage, so I'm keen on taking advantage, but I'm on the international Note 3. I just recently upgraded from 4.3 to 4.4.2. Rooted with towelroot. Obviously Bell insists that there's absolutely no way I can get on their LTE network, although research suggests otherwise. I should note that my signal strength is typically bad (and erratic) compared to my friends'. Too many details are better than not enough, so here we go.
Model: SM-N9005
Model name: GALAXY Note 3
Country of origin: Made in Vietnam
Manufacturing date: 2013.09.11
Knox: 0x0
Original/Firmware/Active CSC Code: XME
CSC Country/ISO: Malaysia (MY)
Product code: SM-9005ZKEXME
Version: Android 4.4.2
Build date: Aug 28, 2014
Bootloader/Baseband/PDA: N9005XXUGNH1
CSC: N9005OLBGNH1
Kernel: 3.4.0-1955971, [email protected] #1, Thu Aug 28
Build: KOT49H.N9005XXUGNH1
Changelist: 1955971
Active mobile operator name: Bell
Active mobile network code: 302610
1) I assume that there's no easy way to go about this, so I'm wondering if it's possible to "convert" the SM-N9005 to a SM-N900W8 (Bell Note 3), so to speak? In other words, can I safely use Odin to change my phone to read as below?
BMC (Bell Canada)
PDA/MODEM: N900W8VLUCNB7
CSC: N900W8OYACNB7
And if so, would LTE then work? Currently I have these bands available: 1, 3, 5, 7, 8, 20, but I need many more than that.
2) If the above outline won't work, will I need to use the method from the following thread?
http://forum.xda-developers.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059
This looks rather heavy for my level experience, as I've never used custom firmware or kernels, and I'd prefer not to trip knox, if possible.
I know there's a fair amount of material on this, but I wanted to get insight on my particular situation before I make any reckless attempts.
Thank you in advance, for any help or direction.
frosty400 said:
I'd prefer not to trip knox, if possible.
Click to expand...
Click to collapse
You will trip KNOX regardless whether you mod or flash a different model's modem.
Best way is to try unlock the bands manually instead of attempting to flash another model's baseband as that may cause a permanent brick in the modem level. By modding you can always reflash.
Remember to take an EFS backup, by flashing TWRP then backing up EFS and dumping it on your computer just in case.
Sent from my OnePlus One using Tapatalk VIP
Thanks a lot, nicholaschum. I've since read up on it some more, and I'm definitely not alone on wanting to do this. Given the complexity of the band-enabling process, it may just be easier to sell my N3 and invest in a N4 directly from Bell. I'd hate to screw something up and be unable to return it to its original state.
frosty400 said:
Thanks a lot, nicholaschum. I've since read up on it some more, and I'm definitely not alone on wanting to do this. Given the complexity of the band-enabling process, it may just be easier to sell my N3 and invest in a N4 directly from Bell. I'd hate to screw something up and be unable to return it to its original state.
Click to expand...
Click to collapse
It's not so complex. You can follow 32 steps in the Quick Start Guide of that thread.
You don;t need to calculate NV items manually. You can use Qualcomm NV Calculator app to calculate.
You even can try that guide with your stock om/kernel and see if the NV items stick? If they stick after reboot, that's OK. If they will not stick, then you will need the custom kernel.
Thanks, vndnguyen. My concern is that I might mess something up throughout the process and brick my phone, or render it unusable. That isn't an option at this point, or a risk I'm quite willing to take. I assume there are risks involved here. But are you saying that the worst that can happen if I try this on a stock rom/kernel that the NV items just simply won't stick? No harm done? I'd prefer to hear from someone who's done this on the same model with the same stock rom/kernel, only because I'm not well versed in this type of thing.
PS - I assume by "then you will need the stock kernel", you meant 'custom kernel'.
frosty400 said:
Thanks, vndnguyen. My concern is that I might mess something up throughout the process and brick my phone, or render it unusable. That isn't an option at this point, or a risk I'm quite willing to take. I assume there are risks involved here. But are you saying that the worst that can happen if I try this on a stock rom/kernel that the NV items just simply won't stick? No harm done? I'd prefer to hear from someone who's done this on the same model with the same stock rom/kernel, only because I'm not well versed in this type of thing.
PS - I assume by "then you will need the stock kernel", you meant 'custom kernel'.
Click to expand...
Click to collapse
Yes, my typo, I have edited my post. Sorry.
I personally didn't try that instruction, as I don't need to add bands at the moment.
In any case, I appreciate your help. I'm guessing that I would indeed need a custom rom/kernel to have any chance at success, only because nothing ever goes how I hope it does
It's too bad there wasn't a 'batch' app to help automate at least some of the process. To add more bands, open 'band-adding app' and click 'add more bands' :laugh:
frosty400 said:
...
It's too bad there wasn't a 'batch' app to help automate at least some of the process. To add more bands, open 'band-adding app' and click 'add more bands' :laugh:
Click to expand...
Click to collapse
If you read the Quick Start Guide, you will see there are 32 steps and they are not too complex. The most hard thing is calculation NV items, and you can use Qualcomm NV Calculator to calculate. All other steps are easy to understand. If you need more help at any steps in that guide, please let me know.
Thanks again, vndnguyen. If I knew it would work on my stock rom/kernel, I might attempt it, but I don't really have the time to spare if there's no guarantee that it will. I'd end up having to commit more time to a custom rom/kernel, wherein I'm sure something would go wrong. My problem is, once I start something, I can't get away from it In fact, I should be working right now - not posting here
Hi, all. I didn't make it far in the band unlock process because I can't even seem to get into diagnostic mode.
As soon as I go into USB settings and select CP, the below USB SETTINGS section disappears, and underneath CP is "OK" and "Reboot". It doesn't seem as if I can get it to stick on CP, or choose the below USB SETTINGS simultaneously (but it does say "Saved" after clicking OK). If I select 'RNDIS + DM + Modem' first and then CP, it does appear to take both settings, but it never shows both settings at the same time so I don't really know. Also can't seem to have USB debugging checked simultaneously, or else it won't even show up in device manager when plugged in. It does show up if I leave USB debugging unchecked, but again, not sure if I'm really in diagnostic mode. Not sure if this is related, but when I go to *#9090# it says:
DIAG CONFIG
NOT SUPPORTED
I've tried several drivers (uninstalled, reinstalled) both automatically and manually, and tried putting kies on and off, many reboots of both PC and phone, different USB ports, etc.
IN QPST there's a checkbox to show only diagnostic ports. If I uncheck this box, I can select something, but don't think that helps me. I'm getting the feeling that diagnostic mode is blocked or disabled. Any ideas? Thanks.
frosty400 said:
Hi, all. I didn't make it far in the band unlock process because I can't even seem to get into diagnostic mode.
As soon as I go into USB settings and select CP, the below USB SETTINGS section disappears, and underneath CP is "OK" and "Reboot". It doesn't seem as if I can get it to stick on CP, or choose the below USB SETTINGS simultaneously (but it does say "Saved" after clicking OK). If I select 'RNDIS + DM + Modem' first and then CP, it does appear to take both settings, but it never shows both settings at the same time so I don't really know. Also can't seem to have USB debugging checked simultaneously, or else it won't even show up in device manager when plugged in. It does show up if I leave USB debugging unchecked, but again, not sure if I'm really in diagnostic mode. Not sure if this is related, but when I go to *#9090# it says:
DIAG CONFIG
NOT SUPPORTED
I've tried several drivers (uninstalled, reinstalled) both automatically and manually, and tried putting kies on and off, many reboots of both PC and phone, different USB ports, etc.
IN QPST there's a checkbox to show only diagnostic ports. If I uncheck this box, I can select something, but don't think that helps me. I'm getting the feeling that diagnostic mode is blocked or disabled. Any ideas? Thanks.
Click to expand...
Click to collapse
I've done a lot of exploration on the bands unlocking topics, summarised here: http://forum.xda-developers.com/showthread.php?t=2869657
I haven't been able to unlock on my S5.

[Q] My Galaxy GT-I9505 is dead

I wonder if anyone can suggest a remedy for my little problem, apart from throwing the phone in the bin.
My gt-i9505 recently stopped connecting to my provider and is showing a no service message at the bottom of the screen and a round circle with a line through it at the top. Samsung repair center say that the main pcb has failed but refuse to repair it saying that the phone was not destined for sale in the U.K but was intended for the Asia market.
My thoughts are that it cannot be the main pcb as the phone boots up o.k and also finds a satellite signal ok, the only things not working are the wi-fi and phone signal. Would I be correct in saying that these items are modular and can be swapped out? It may be a delicate job beyond my capabilities but if these parts are replaceable I do know someone that can do it.
It's a pity to dump the phone as it is only 12 months old and as new condition, so any suggestions or help would be gratefully received.
The phone is running the latest kitkat 4.4.2 ind is fully stock.
Bad efs folder. Is your imei and baseband correct?
Use/ask someone for a z3x box or a jtag.
"If someone helps, never forget to hit thanks ? "
Thanks for the reply, it's much appreciated. Yes my imei and baseband are all o.k. so I don't think it's the efs folder. The phone has never been 'played with' due to the knox problem negating the warranty. I have however played with an I9000 with many successes.
I also upgraded the phone to the latest version GNG8 hoping that this would cure the problem but that didn't work either. What would using a z3x box or jtag if it is a hardware fault?
dodahday said:
Thanks for the reply, it's much appreciated. Yes my imei and baseband are all o.k. so I don't think it's the efs folder. The phone has never been 'played with' due to the knox problem negating the warranty. I have however played with an I9000 with many successes.
I also upgraded the phone to the latest version GNG8 hoping that this would cure the problem but that didn't work either. What would using a z3x box or jtag if it is a hardware fault?
Click to expand...
Click to collapse
Well as @MAX 404 once said...
The efs folder, even if shows the correct values, can go bad.
Before going too technical, did you try flashing the latest modem for your phone?
Do it too but before proceeding take an efs backup. (Many ways, many playstore apps to take efs backups)
Hardware fault. Unlikely in this case , but cannot be ruled out altogether.
Z3x box is a multi utility box which has the power to bring devices back to life and writes the imei codes and stuff properly once again.
And a JTAG + Z3x box have the ability to bring an almost dead mobo to life.
You can read more about it on xda, how z3x has saved lives. I wont say buy one, but you can always ask if someone has it.
"If someone helps, never forget to hit thanks ? "
Thanks once again for the reply. What I flashed was the newest software, I9505XXUGNG8, for the phone downloaded from the SamMobile firmware page which I thought contained the newest modem. I will however download the relevant modem and reflash. I will also ask around for someone with Z3x box, as I will be away from home now until Wednesday next I will be unable to reflash modem until then but I will report back as soon as possible with the results.
dodahday said:
Thanks once again for the reply. What I flashed was the newest software, I9505XXUGNG8, for the phone downloaded from the SamMobile firmware page which I thought contained the newest modem. I will however download the relevant modem and reflash. I will also ask around for someone with Z3x box, as I will be away from home now until Wednesday next I will be unable to reflash modem until then but I will report back as soon as possible with the results.
Click to expand...
Click to collapse
No. Just flash the modem via recovery (if a recovery modem file exists) or via odin.
After you flash keep the phone off for 30secs or more..and then turn it on..
See if anything improves..if nothing improves then just data wipe the phone..
"If someone helps, never forget to hit thanks ? "
I have now re-flashed the kernel inclusive of the wi-fi fix from this thread here
Code:
http://forum.xda-developers.com/showpost.php?p=50965837&postcount=2627
and the phone now connecting to the internet successfully. The circle with a line through is still at the top of the screen and the phone is still showing the no service message. With a sim card in place the network is showing as unknown, service state is showing as out of service but the phone number is showing correctly as is the imei. I will have a look around for someone with a Z3x box to see if they can help.
Thanks for all your suggestions.

Note 4 N910C Emergency Call only (Not Registered to Network) IMEICERT:PASS (IMEI Ok )

Greetings Folks
I have a N910C and as mentioned in title recently I got stuck in to this issue
How it happened
I had CF-Rooted my phone and Odin flashed TWRP for custom ROMS so I tried a few and was not getting the perfomance thought SimplROM would do it for me in order to install that ROM it said in instructions to install latest Modem and Bootloader
So i tried downloading the ones given in v6C BL was downloaded but CP kept on giving me errors getting stuck at 7% on mega so being stupid I downloaded DPCB(MODEM) While ROM was offering DPK4
So everything went fine until after boot I realized am facing Not Registered to Network
Since I had experienced this before on other phone I went ASAP in dialer to check my IMEI & SN both are still intact
I knew about EFS unfortunately I backed it up on Phone Storage which was wiped for ROM and I forgot (So dont have EFS Backup )
I do recall years ago back when I had S3 I experienced this and sometimes flashing different firmware(CSC ,Modem) fixed it
What I have tried so far
I have already tried several stock ROMs most of em had DPI1 Baseband except 2 other ROMS no luck
tried combination file method too (the one that helps downgrade to kitkat i believe ) no luck
Tried XEO repair Firmware no luck
any suggestions ??
and on that contrary now that I am not on stock is there any way to find out which CSC and Stock ROM this phone originally was one or came with with IMEI or Serial I believe ?
Thanks in Advance
Anyone??
under the battery there's the serial number
install on your pc samsung smart switch program
run it with option of emergency software recovery - device initialisation
input the model of your phone
input the serial number
start
have patience and a good connection
your phone will (eventually) get the latest official firmware
https://www.blogtechtips.com/2017/06/24/easily-restore-samsung-device-firmware-with-smart-switch/
at least you'll have a working phone with stock rom
from here on you can try again and get informed better on what to do
good luck
w41ru5 said:
under the battery there's the serial number
install on your pc samsung smart switch program
run it with option of emergency software recovery - device initialisation
input the model of your phone
input the serial number
start
have patience and a good connection
your phone will (eventually) get the latest official firmware
https://www.blogtechtips.com/2017/06/24/easily-restore-samsung-device-firmware-with-smart-switch/
at least you'll have a working phone with stock rom
from here on you can try again and get informed better on what to do
good luck
Click to expand...
Click to collapse
Hey there bud I have almost tried most of fixes I could I'll give Smart Switch a try as I recall I checked before it didn't have initialization just the recovery mode, while in Kies 3 I did try initialization method by model and SN but it prompted device doesn't support initialization
Anyways do you think it could fix network?
Sent from my Pixel 2 XL using Tapatalk
crossmedia said:
Hey there bud I have almost tried most of fixes I could I'll give Smart Switch a try as I recall I checked before it didn't have initialization just the recovery mode, while in Kies 3 I did try initialization method by model and SN but it prompted device doesn't support initialization
Anyways do you think it could fix network?
Click to expand...
Click to collapse
Maybe restore the efs from recovery, if you have a backup that was working.
w41ru5 said:
Maybe restore the efs from recovery, if you have a backup that was working.
Click to expand...
Click to collapse
Jist checked not getting initialization option on smart switch ill see a work around it if its a version thing , as for working backup I lost it mate it was in twrp folder in phone storage it got wiped recovery softwares out there only help recovering media mostly if mass storage mount was option could have tried recovering for PC but that has been long gone since ICS
Sent from my Pixel 2 XL using Tapatalk
Yep. Same problem as mine. Im kinda lost now since i dont have anything; even in stock rom it cannot go beyond connecting to my carrier. It only able to read my contact.
Im guessing its a motherboard problem? Isnt it @w41ru5?
VannM said:
Yep. Same problem as mine. Im kinda lost now since i dont have anything; even in stock rom it cannot go beyond connecting to my carrier. It only able to read my contact.
Im guessing its a motherboard problem? Isnt it @w41ru5?
Click to expand...
Click to collapse
I don't know. Usually it's a modem issue when not recognizing the sim.
If it's a 910F snapdragon it might be the infamous eMMC issue.
If you have an EFS backup try to restore it from recovery TWRP.
Assuming its modem problem, its related to motherboard i guess, right?
Finally got the phone working, only to discovered that SIM not working. Really wasting my time and hype!
Plus, its hard to search for n910c replacement board here.
VannM said:
Assuming its modem problem, its related to motherboard i guess, right?
Finally got the phone working, only to discovered that SIM not working. Really wasting my time and hype!
Plus, its hard to search for n910c replacement board here.
Click to expand...
Click to collapse
The firmware, not the physical one.
Did you try to flash the 4 files repair firmware?
This is an example, I don't know what phone you have
https://firmware.gem-flash.com/index.php?a=downloads&b=folder&id=7081
Did you try the SmartSwitch pc program?
"...4 file repair..."- what? Ive google it until im almost run out of data here and you have a possible solution? You must be active in note4 forum.
One thing i noticed that, the IMEI and Serial Number are different from the sticker included.
I will try it, but not immediately; waiting for thurday-friday for data renewal.
My phone is n910c
EDIT : just checked the page you gave. I have few question;
What should i do with the files? What are the step? What are the program needed?
Is it related to SmartSwitch as you mention; need to use it?
Thanks!
VannM said:
"...4 file repair..."- what? Ive google it until im almost run out of data here and you have a possible solution? You must be active in note4 forum.
One thing i noticed that, the IMEI and Serial Number are different from the sticker included.
I will try it, but not immediately; waiting for thurday-friday for data renewal.
My phone is n910c
EDIT : just checked the page you gave. I have few question;
What should i do with the files? What are the step? What are the program needed?
Is it related to SmartSwitch as you mention; need to use it?
Thanks!
Click to expand...
Click to collapse
1. It's good you still have the IMEI. Not so important if they're different from the sticker. Where did you buy the phone from?
2. So if you go to check the 4 files repair, you need to search on that site the files for a 910C.
3. Did the phone worked on your country provider? If yes, maybe you need to search for the 4files corresponding to your region code.
4. These 4files have to be flashed with Odin
https://zfirmware.com/download-samsung-repair-firmwares/
5. SmartSwitch is an alternative to get the latest firmware for your phone according with the model and serial number.
https://www.sammobile.com/forum/threads/29914-SmartSwitch-Install-amp-update-or-replace-firmware
the "firmware.gem" are useless. the error says i need another package (i assume a quota) to download the needed files.
im currently testing "zfirmware", but have a doubt since it only give 1 type file (which country is it i dunno). but yeah, since my phone like that, it wouldnt hurt to try
EDIT : yep, nothing changed. the device not even bricked.
VannM said:
the "firmware.gem" are useless. the error says i need another package (i assume a quota) to download the needed files.
im currently testing "zfirmware", but have a doubt since it only give 1 type file (which country is it i dunno). but yeah, since my phone like that, it wouldnt hurt to try
EDIT : yep, nothing changed. the device not even bricked.
Click to expand...
Click to collapse
If something does not work, why do you give up so easy?
http://www.mediafire.com/file/a2fdo0xm9nat5jt/N910CXXS2DPJ3_N910CZTO2DPE2_ZTO.zip - this is marshmallow
https://androidfilehost.com/?fid=24269982087001472 - this is for lolipop
Put the phone in download mode, open Odin and try.
And try the smartswitch also.
w41ru5 said:
If something does not work, why do you give up so easy?
Click to expand...
Click to collapse
That hurts. A lot. Explanation below.
w41ru5 said:
http://www.mediafire.com/file/a2fdo0xm9nat5jt/N910CXXS2DPJ3_N910CZTO2DPE2_ZTO.zip - this is marshmallow
https://androidfilehost.com/?fid=24269982087001472 - this is for lolipop
Put the phone in download mode, open Odin and try.
And try the smartswitch also.
Click to expand...
Click to collapse
I tried files from LP and MM. It didnt work. And also smartswitch.
I was hoping that it will brick the phone (if i ever missed a step or incorrect file) but it didnt.
Might as well try looking for replacement board (or even a refurbished note4).
Thanks though for the suggestion @w41ru5!
Greetings again folks reading your replies above I have been trying almost every fix there is out there
First of all about Emergency Calls Only/Not Registered on Network
It can be due to several causes its can be Hardware ie faulty modem
it can be bad network coverage
it can be bad simcard
it can be SW with EFS problems or maybe even on rare occasion a modem file that you flashed
EFS can be either bad IMEI with CERT : FAIL or Just Network with IMEI and SN intact
just dial *#0011*# and see if you have CERT : PASS ( also someone with good IMEI/CERT and working network can share screenshot so i can compare whats wrong)
I am certain mine is EFS related because it happened after flashing modem DPCB modem via ODIN (I had TWRP EFS backup but the blunder I made was backing it up on phone storage and being careless forgot it was there and was wiped for custom ROM flashing process)
So far what I have tried
Combination File Method (and even downgrade to KK 4.4.4 )
Repair Firmware that include AP,BL,CP,CSC and even PIT
Kies 3 or Older Smart Switch says (Device doesn't support initialization ) since initialization feature was removed by Samsung on newer Smartswitch(since it was being used for wrong reasons? read somewhere)
Several different firmware's
OTA update
My IMEI CERT says PASS if only we had a network patch like Ariza Patch (for Galaxy S3) for Note 4 then we would be in luck so far at this point I dont think flashing ROM's would even help with bad EFS our only luck is Box e.g Z3x or Octo dont know if we are allowed to talk about those here (ill edit post if not)
these box applications have Network Patch for most Samsung models but I don't see one for N910C in most versions
for those with bad IMEI they can try writing good cert or efs on note 4 since they have already lost it I am sitting on it because my EFS is good on that part and for some reason box app isnt allowing me to back up my CERT if I am able to back up current cert then ill give those a try but I would prefer current IMEI since in my country IMEI should be verified to use the phone or you have to pay tax
I know its Bad EFS for sure because using Box application I chose reset EFS(after backing up current faulty EFS with good IMEI) upon reboot phone's imei was changed with no SN network came back for few seconds then gone again ,this happened to many users that have tried resetting EFS so I restored my original EFS
if anyone here with N910C and root can give me EFS folder I can corelate if any file required for network is missing since i have good IMEI
Cheers!

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