Unknown IMEI, SIM Not Recognised - Samsung Galaxy S7 Questions and Answers

Had some issues, had to flash stock. I think I flashed the wrong carrier, but flashed the correct one later. No dice.
Tried restoring EFS from Nandroid backup of previous install, also no dice. I think it threw an error, not sure what it was though. I'm getting "E: recv error on uevent" multiple times while trying to install the full nandroid backup, not sure if that's the error I got restoring EFS over the top of the last install.
EDIT: Reflashed stock, and restored the nandroid minus EFS. No recv errors. Still no SIM either.

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[Q] Nandroid restore help

So earlier today my phone stopped getting service . After trial and error i ended up in a boot loop so i nandroid backped and factory reset. I reflashed PAC man ROM and all seemed good, so i went to nandroid advanced restore and tried to only restore data to try and not boot loop again.this ddidn't work so i wiped and flashed PAC man again. This time however i restored the boot and system and my phone works fine. I'm unsure of what restoring sd-ext will do. So my question is, how to i restore my data now from nandroid without getting boot looped? All i really need off of it is my texts. (Apps are on titanium)
shewantsmyduck said:
So earlier today my phone stopped getting service . After trial and error i ended up in a boot loop so i nandroid backped and factory reset. I reflashed PAC man ROM and all seemed good, so i went to nandroid advanced restore and tried to only restore data to try and not boot loop again.this ddidn't work so i wiped and flashed PAC man again. This time however i restored the boot and system and my phone works fine. I'm unsure of what restoring sd-ext will do. So my question is, how to i restore my data now from nandroid without getting boot looped? All i really need off of it is my texts. (Apps are on titanium)
Click to expand...
Click to collapse
I think your best option is to download nandroid manager from the playstore. That will allow you to pull your data from your backup and restore it from the app, it's similar to the way titanium backup restores data.
I think the issue you're having has to do with restoring data from a 4.2.2 rom. Most recoveries have issues with restoring data because 4.2.2 is setup for multiuser and the data locations are different. I think when you're restoring data only, it's not actually writing your data correctly and it's soft bricking your phone.
Sent from my SCH-I535 using Tapatalk 2
I got nandroid manager and it worked perfectly! Thanks a million!Exactly what I needed

NANdroid Restore Issues

Hello, I recently had an issue with switching a kernel on CM12.1 AS3JL and had to do a wipe of my phone. I had a nandroid backup and from a CM12.0 17L build and have tried multiple times to restore from the backup either using the app(which i redownloaded), or through TWRP(tried both 2.8.7.0 and 2.8.6.0) to no avail. It tells me "E: unable to locate partition backup name: modem". then continues the restore and states it worked. Then when I finish the restore(I've tried the whole thing and single partitions at a time) it gives me the "unfortunately com.android.phone process has stopped" and it crashes and reboots and won't work unless I wipe and start stock. Any ideas?

"E:Unable to find file system (First period)"?

Hello,
I was flashing Resurrection ROM on my Mi4i device and due to problems I decided to restore the nandroid backup and it worked on the first time..Next day i tried PACMAN ROM and due to same problems i again tried to switch to nandroid ...But now it wont work, when i try restoring it suddenly an error stats "E:Unable to find file system (First period)"? and recovery(TWRP) starts working for further restoring process and an error stats saying RESTORE FAILED on the top and "E:extractTarFork() process ended with ERROR=255" at the end of process...I've tried reflashing recovery and recopying backup from my pc..but nothing helped
BUMP! I am still searching for help. Basically same error but without the error specification.
same problem on my S4 Mini, resurection remix, cant restore the back up.....
I had the same problem when I was starting to restore the backup that was being made
Sp5297 said:
Hello,
I was flashing Resurrection ROM on my Mi4i device and due to problems I decided to restore the nandroid backup and it worked on the first time..Next day i tried PACMAN ROM and due to same problems i again tried to switch to nandroid ...But now it wont work, when i try restoring it suddenly an error stats "E:Unable to find file system (First period)"? and recovery(TWRP) starts working for further restoring process and an error stats saying RESTORE FAILED on the top and "E:extractTarFork() process ended with ERROR=255" at the end of process...I've tried reflashing recovery and recopying backup from my pc..but nothing helped
Click to expand...
Click to collapse
____________________________________
I had the same problem when I was starting to restore the backup that was being made to the ROM stock of my phone. I started to restore successfully started Then the system successfully but then gave me error "E: Unable to find file system (first period)" and as the backup that was made of ROM stock was INICIO DATA SYSTEM AND how to restore The backup come all checked boxes, I uncheck the data box and then just checked the box started and SYSTEM restore the backup and did not give me the error I was given before, backup it with ice Recovery (TWRP) on my Alcatel Pixi 4 phone (4) I hope they function

Backup and Restore with twrp 310

So, everytime I restore my backup with twrp, I always get some errors after restore.
Sometimes systemUI error, sometimes restore doesnt run successfully, etc.
I just want to know, is there actually a proper way to backup and restaore using twrp (like wiping things first, etc) or just directly backup and restore?
Thanks!
I never managed to get backup done and restored, never on this phone, no matter what twrp i use

Need Help to restore backup with TWRP

Can anybody help?
My HTC U11 still run on Nougat.
Yesterday I want to update with the newer version of Nougat (Not Oreo)
I already make a data backup with TWRP, big backup 22Gb.
Then I update the new stock Rom from PC, it had no problem.
Go to download mode, and then install TWRP again with ADB from PC.
Go to TWRP Recovery, it still works.
The last thing I do is to try to restore the 22Gb data back to my phone.
And it always get error on 9% with "extractTarFork() process ended with ERROR: 255"
I already change with difference TWRP from 3.1.1.0 to 3.2.3.0, still the same.
Restore to previous version of Nougat with TWRP (system, system image, boot image, recovery). Try to restore backup data again with no luck.
Try to check MD5 with the backup data, and it said matched, no corrupt.
Already try searching in the web, but with no solution too.
Do anyone ever have the same problem and solved it?
A San said:
Can anybody help?
My HTC U11 still run on Nougat.
Yesterday I want to update with the newer version of Nougat (Not Oreo)
I already make a data backup with TWRP, big backup 22Gb.
Then I update the new stock Rom from PC, it had no problem.
Go to download mode, and then install TWRP again with ADB from PC.
Go to TWRP Recovery, it still works.
The last thing I do is to try to restore the 22Gb data back to my phone.
And it always get error on 9% with "extractTarFork() process ended with ERROR: 255"
I already change with difference TWRP from 3.1.1.0 to 3.2.3.0, still the same.
Restore to previous version of Nougat with TWRP (system, system image, boot image, recovery). Try to restore backup data again with no luck.
Try to check MD5 with the backup data, and it said matched, no corrupt.
Already try searching in the web, but with no solution too.
Do anyone ever have the same problem and solved it?
Click to expand...
Click to collapse
Did u try a format in twrp before installing the backup? Just thought
No, not format anything. Afraid did something would make the phone brick.
A San said:
Can anybody help?
My HTC U11 still run on Nougat.
Yesterday I want to update with the newer version of Nougat (Not Oreo)
I already make a data backup with TWRP, big backup 22Gb.
Then I update the new stock Rom from PC, it had no problem.
Go to download mode, and then install TWRP again with ADB from PC.
Go to TWRP Recovery, it still works.
The last thing I do is to try to restore the 22Gb data back to my phone.
And it always get error on 9% with "extractTarFork() process ended with ERROR: 255"
I already change with difference TWRP from 3.1.1.0 to 3.2.3.0, still the same.
Restore to previous version of Nougat with TWRP (system, system image, boot image, recovery). Try to restore backup data again with no luck.
Try to check MD5 with the backup data, and it said matched, no corrupt.
Already try searching in the web, but with no solution too.
Do anyone ever have the same problem and solved it?
Click to expand...
Click to collapse
Try to restore os without data , restart system, and if it works restore data
fabrizio b92 said:
Try to restore os without data , restart system, and if it works restore data
Click to expand...
Click to collapse
I have 2 backup. One is for system and one is data. I can restore system feom TWRP recovery, but can't restore data
After restore system,reboot to twrp and restore data
I had this problem and it took me two days to resolve it. I had a good backup and I know it was good because I had used it several times and it worked. But then after doing some system installs I got the error 255 when I tried to restore it. I tried several things to fix it and nothing worked and I really did not want to lose my backup. What did work for me was to use TWRP wipe function to FORMAT the phone. Wiping or factory reset did not work. I lost the contents of my internal SD card but I was able to transfer most to my external SD card. You could also connect the phone with a cable to a computer and use the pull command in ADB to backup the contents f the internal SD card. Given the choice between losing the SD card and the data files I come to lose some of the SD card. Anyway, a FORMAT worked when nothing else did. I read that this error is caused by a lack of space. When I checked the log it seemed that the restore was failing with a particular file which misled me to thinking I had to remove the corrupt file, but since after the format I was able to restore without any problem, it would seem that there was no corrupt data. Hope this helps someone.

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