I lost my phone's IMEI trying to do a backup of it, and also lost my baseband. Backups of IMEI didn't work, and also the backup of the rom made with Nandroid backup.
I wanted to copy the folder EFS, cauase someone recommended to backup the IMEI this way. I did it by ES File Explorer, but when copying the folder EFS, appeared an error message like this: "Failed to copy NVRAM" or something like that.
I do not know if it happened in this process or if the EFS folder had already corrupted with other IMEI backups made with various applications (backups that did not serve me at all). Considering that my IMEI continued null / null when I tried to restore them with a lot of applications (Partitions Backup & Restore, Samsung Tools etc)
Maybe it's important to say that before attempting to restore the IMEI by several backups I had done before tried to install other modems to see if the network appears again. But did not.
Finally, I reinstalled the rom stock by Odin and nothing resolved. I continue with the IMEI issue null/null and unknown baseband.
My last attempt was to restore the backup I made the rom the first day I picked up the phone.
The backup I made with Online Nandroid Backup application. Be safe with this backup because on any topic roms here from XDA, the developers says "Do a nandroid backup first." And that's what I did.
In momement when I did the backup with this application, my recovery installed was Philz Recovery (which is based on CWM), it may be important to say that.
But anyway, the backup is saved on my PC, and I had not needed to use it, and thought it would work when I needed it, but it did'nt work.
Once installed the rom again by Odin, did root, and installed the same Philz Recovery (to have less doubt that the backup can be restored without problems with Nandroid Manager), but it didn't work.
I created a folder called "backup" in the clockworkmod folder "and put my backup there (one who has the time and date of creation in the name).
And when I tried to restore the backup by Nandroid Manager application, the only thing that happens is the phone to reboot, without even access at first the recovery. So the backup can't be restored again.
Then I converted the file to ".zip" and I went to recovery and tried to install it, also failed. It appeared some problem related to the "MD5".
So I installed CWM Recovery (not Philz) and tried to restore the backup with Nandroid Manager, did not work, the phone again, just restarted. So I tried to install the backup as a ".zip" from CWM Recovery, and again, there was a new message regarding the "MD5".
So I installed TWRM Recovery, and tried to restore the backup by Nandroid Manager (but the application said the backup was originated by CWM and it could not be restored by another recovery) then I tried installing the ".zip" file by TWRM recovery, and gave some kind of failure, can not remember exactly what, but I think also related to "MD5".
So I tried to fix the problem related to MD5, I saw some threads on XDA saying how to do ... basically tried two methods.
The first attempt was to delete the file "Nandroid.MD5" by Root Explorer and create a new file with the same name and with the same extension.
So I tried again to restore the backup by Nandroid Manager (with Philz Recovery and CWM Recovery), but also failed. Also failed to install a ".zip" file driectly by the recovery with the new file "nandroid.MD5" created. This file ".zip" with MD5 file "probably fixed" I tried to install with the 3 recoveries already mentioned. Did not work. It continued an error related to "MD5".
The second attempt was to try to correct the "MD5" file with the Terminal Emulator, by this commands:
su
# Mount -o remount rw / sdcard
#cd /sdcard/clockworkmod/backup/2012-04-17.10.09.36
#rm nandroid.md5
# md5sum * img> nandroid.md5
Again, I tried to restore the file by Nandroid Manager (with philz Recovery and CWM Recovery) ... And also tried to restore the file ".zip" by both recoveries,includint TWRP Recovery. Nothing worked.
In the backup name has no spaces. And the files inside it are:
boot.img
cache.ext4.tar
data.ext4.tar
efs.ext4.tar
modem.img
recovery.img
recovery.log
system.ext4.tar
I have a backup intact without modification for future experiments.
I do not know what else to do, I just want to restore the backup to see if the network went back, with my IMEI and my baseband losted.
-
I tried to do the right things and looks like it was worse than if I had done nothing.
For example, trying to save the EFS folder by ES Explorer, apparently that destroyed this folder.
But before It had already made a backup of the rom, but I can not restore it.
It would was better If I did nothing to try to forearm... Cause for now I do not know what to do whit these problems...
My last step will be to gather cash to buy a box to put my IMEI back to the phone... = (
Sorry for my Inglês... Translated by Google Translator.
My phone is SM-N9005.
I wanted to copy the folder EFS, cauase someone recommended to backup the IMEI this way. I did it by ES File Explorer, but when copying the folder EFS, appeared an error message like this: "Failed to copy NVRAM" or something like that.
I do not know if it happened in this process or if the EFS folder had already corrupted with other IMEI backups made with various applications (backups that did not serve me at all). Considering that my IMEI continued null / null when I tried to restore them with a lot of applications (Partitions Backup & Restore, Samsung Tools etc)
Maybe it's important to say that before attempting to restore the IMEI by several backups I had done before tried to install other modems to see if the network appears again. But did not.
Finally, I reinstalled the rom stock by Odin and nothing resolved. I continue with the IMEI issue null/null and unknown baseband.
My last attempt was to restore the backup I made the rom the first day I picked up the phone.
The backup I made with Online Nandroid Backup application. Be safe with this backup because on any topic roms here from XDA, the developers says "Do a nandroid backup first." And that's what I did.
In momement when I did the backup with this application, my recovery installed was Philz Recovery (which is based on CWM), it may be important to say that.
But anyway, the backup is saved on my PC, and I had not needed to use it, and thought it would work when I needed it, but it did'nt work.
Once installed the rom again by Odin, did root, and installed the same Philz Recovery (to have less doubt that the backup can be restored without problems with Nandroid Manager), but it didn't work.
I created a folder called "backup" in the clockworkmod folder "and put my backup there (one who has the time and date of creation in the name).
And when I tried to restore the backup by Nandroid Manager application, the only thing that happens is the phone to reboot, without even access at first the recovery. So the backup can't be restored again.
Then I converted the file to ".zip" and I went to recovery and tried to install it, also failed. It appeared some problem related to the "MD5".
So I installed CWM Recovery (not Philz) and tried to restore the backup with Nandroid Manager, did not work, the phone again, just restarted. So I tried to install the backup as a ".zip" from CWM Recovery, and again, there was a new message regarding the "MD5".
So I installed TWRM Recovery, and tried to restore the backup by Nandroid Manager (but the application said the backup was originated by CWM and it could not be restored by another recovery) then I tried installing the ".zip" file by TWRM recovery, and gave some kind of failure, can not remember exactly what, but I think also related to "MD5".
So I tried to fix the problem related to MD5, I saw some threads on XDA saying how to do ... basically tried two methods.
The first attempt was to delete the file "Nandroid.MD5" by Root Explorer and create a new file with the same name and with the same extension.
So I tried again to restore the backup by Nandroid Manager (with Philz Recovery and CWM Recovery), but also failed. Also failed to install a ".zip" file driectly by the recovery with the new file "nandroid.MD5" created. This file ".zip" with MD5 file "probably fixed" I tried to install with the 3 recoveries already mentioned. Did not work. It continued an error related to "MD5".
The second attempt was to try to correct the "MD5" file with the Terminal Emulator, by this commands:
su
# Mount -o remount rw / sdcard
#cd /sdcard/clockworkmod/backup/2012-04-17.10.09.36
#rm nandroid.md5
# md5sum * img> nandroid.md5
Again, I tried to restore the file by Nandroid Manager (with philz Recovery and CWM Recovery) ... And also tried to restore the file ".zip" by both recoveries,includint TWRP Recovery. Nothing worked.
In the backup name has no spaces. And the files inside it are:
boot.img
cache.ext4.tar
data.ext4.tar
efs.ext4.tar
modem.img
recovery.img
recovery.log
system.ext4.tar
I have a backup intact without modification for future experiments.
I do not know what else to do, I just want to restore the backup to see if the network went back, with my IMEI and my baseband losted.
-
I tried to do the right things and looks like it was worse than if I had done nothing.
For example, trying to save the EFS folder by ES Explorer, apparently that destroyed this folder.
But before It had already made a backup of the rom, but I can not restore it.
It would was better If I did nothing to try to forearm... Cause for now I do not know what to do whit these problems...
My last step will be to gather cash to buy a box to put my IMEI back to the phone... = (
Sorry for my Inglês... Translated by Google Translator.
My phone is SM-N9005.
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