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[Q] IMEI corrupted and no Backup

I was trying to get back into a STOCK rom but I've downloaded a backup ported from Kies to Odin and now my IMEI is screwd,,,
There's no backup file and my folder "efs" on Root directory is empty...
I lost my CHIP or cellphone forever? >:
________
Galaxy Y

PedroGabriel said:
I was trying to get back into a STOCK rom but I've downloaded a backup ported from Kies to Odin and now my IMEI is screwd,,,
There's no backup file and my folder "efs" on Root directory is empty...
I lost my CHIP or cellphone forever? >:
________
Galaxy Y
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1527973
I found this by searching this forum.

bhundven said:
http://forum.xda-developers.com/showthread.php?t=1527973
I found this by searching this forum.
Click to expand...
Click to collapse
The search bar is your friend...lol. :laugh:

I already foud this thread but my efs is empty:
Now go into the afs folder
Now Settings
you should now be in /efs/root/afs/settings
theres nothng inside of it and my cellphone does not create a new one if I delete it... (it create a new empty efs folder)

PedroGabriel said:
I already foud this thread but my efs is empty:
Now go into the afs folder
Now Settings
you should now be in /efs/root/afs/settings
theres nothng inside of it and my cellphone does not create a new one if I delete it... (it create a new empty efs folder)
Click to expand...
Click to collapse
Oops...wrong thread. I'll look into that.
EDIT: I did find this for the SGS II.....worth a shot, right?
http://forum.xda-developers.com/showthread.php?t=1628772

Nothing usefull too >:
I noticed after some search~ My IMEI number could be found on my cellphone box (I don't know where is it...)
I'll keep trying to reset and see if sometime efs folder get some files inside of it cause it's always empty.

Extract IMEI from Nexus 5 TWRP Backup files

Hello together,
i hope you guys can help me out here. Today my Nexus 5 has been stolen. Now i want to prosecute but i need my IMEI. I am currently not at home but i got my laptop with a backup made by TWRP.
The folder looks like this:
http ://puu.sh/ nzexP/cfbff68baf.png (remove the spaces, i am new here thats why i cant post links yet)
As you can see there are some files and also two files efs1 efs2. But i dont know how to extract those or where to find my IMEI in that files.
Could someone please help me with that?
Thanks in advance
Edit: I found something in that recovery.log which might help to extract it? The log says:
Backing up EFS...
I:Backup command: 'dd if=/dev/block/mmcblk0p12 of='/data/media/0/TWRP/BACKUPS/05f111c90047784e/2015-08-18--14-50-33_cm_hammerheadcaf-userdebug_5.1.1_LMY48G_501//efs1.emmc.win' bs=1048576 count=3'
Click to expand...
Click to collapse
Maybe you guys now know which command the file was created with and you maybe know something for this in reverse to extract?

You don't have the box?

Call your carrier and they may have a record of the last IMEI for yoru nexus 5.
I have Bell Canada as my carrier and their system is able to read the imei from my phone.

Planterz said:
You don't have the box?
Click to expand...
Click to collapse
As i said, i do have the box but i am not at home where it is.
Isnt it possible to extract this backup files?

If you go to Google dashboard it will give you a list of all Android devices ever signed in to that account. Including IMEI.

Which files and folders are IMEI responsible for? and where do I find ?

Which files and folders are IMEI responsible for? and where do I find it on the mobile phone ROOT?

????????????????????????????????????????????????????????w

Might be wise to wait a day or so before question marking your post. Just an FYI.
I don't have my Mate 9 Rooted, but TWRP should have an option to backup the IMEI information. As well you can checkout this thread here with ways to backup the IMEI
https://forum.xda-developers.com/android/software/imei-flashing-rom-t3175916

modemnvm_ partitions.
OEMINFO does have imei in it, but it's not used when booted.

ok sorry and thanks

ante0 said:
modemnvm_ partitions.
OEMINFO does have imei in it, but it's not used when booted.
Click to expand...
Click to collapse
my folders in root
3rdmodem
3rdmodemnvm
3rdmodmnvmbkp
no have nothing inside

aureliomilitao said:
my folders in root
3rdmodem
3rdmodemnvm
3rdmodmnvmbkp
no have nothing inside
Click to expand...
Click to collapse
/dev/block/bootdevice/by-name/
You would have to copy them using dd.

ante0 said:
/dev/block/bootdevice/by-name/
You would have to copy them using dd.
Click to expand...
Click to collapse
I did not understand, I have to copy all files from this folder and do what? So that my imei 00000000 fix?

aureliomilitao said:
I did not understand, I have to copy all files from this folder and do what? So that my imei 00000000 fix?
Click to expand...
Click to collapse
No. You asked what controlled imei. It's in the modem partitions, but encrypted.
You need to use HCU to fix it.

ante0 said:
No. You asked what controlled imei. It's in the modem partitions, but encrypted.
You need to use HCU to fix it.
Click to expand...
Click to collapse
but hcu no works in my ROM B379

so...
no possible fix 0000000 imei without HCU ?

??

Persist image corrupt ?

Hi, i own an Oneplus 8 India Version.
As soon as i purchased the first thing I did was to take the persist.img backup as that seemed to be an important thing to do from my reading through the articles.
After a few months now, I seem to be in need of using this image and realized the image file is not accessible. from the articles and videos I read/seen, everyone is able to EXTRACT the image file using the 7zip or similar tools. However, i am unable to extract using any of the tools.
I took the latest persist.img from the already troubled device and that too is not working. 7zip says "Can not open the file ...."
command i used was this :
dd if=/dev/block/bootdevice/by-name/persist of=/sdcard/persist.img
similarly, i manually copied the file using root file manager aad that too is giving the error

Please help

Fastboot flash persist persist.img
I believe that's how you would restore persist.
I could be very wrong. Proceed with caution and I'm not liable if you break it.

crazynapkinman said:
Fastboot flash persist persist.img
I believe that's how you would restore persist.
I could be very wrong. Proceed with caution and I'm not liable if you break it.
Click to expand...
Click to collapse
Hi thank you. The concern is related to the image not being extracted. From what i have read and seen in YouTube too is they are able to extract the img file. But my files are not readable.

firoz3321 said:
Hi thank you. The concern is related to the image not being extracted. From what i have read and seen in YouTube too is they are able to extract the img file. But my files are not readable.
Click to expand...
Click to collapse
Does anyone know if he can flash someone else's backed up persist.img?

crazynapkinman said:
Does anyone know if he can flash someone else's backed up persist.img?
Click to expand...
Click to collapse
There was a thread in this forum that mentioned the persist cannot be shared or doesn't work with others. Apparantly it contains sensor calibration data which usually will be unique.
Can someone confirm if your persist image is extractable with 7zip or similar. If so what am i doing wrong.

firoz3321 said:
There was a thread in this forum that mentioned the persist cannot be shared or doesn't work with others. Apparantly it contains sensor calibration data which usually will be unique.
Can someone confirm if your persist image is extractable with 7zip or similar. If so what am i doing wrong.
Click to expand...
Click to collapse
You need to be unlocked and rooted. Then you will reboot to fastboot. From there, BOOT twrp (fastboot boot twrp.img)
Once booted, use TWRP to backup persist.img

crazynapkinman said:
You need to be unlocked and rooted. Then you will reboot to fastboot. From there, BOOT twrp (fastboot boot twrp.img)
Once booted, use TWRP to backup persist.img
Click to expand...
Click to collapse
Using root explorer i copied the persist image but that too was un extractable. The persist image that i took backup using the command in OP when i bought the device also doesn't extract.
And one more thing is TWRP doesn't seem to be working with 11 OS yet.

firoz3321 said:
Using root explorer i copied the persist image but that too was un extractable. The persist image that i took backup using the command in OP when i bought the device also doesn't extract.
And one more thing is TWRP doesn't seem to be working with 11 OS yet.
Click to expand...
Click to collapse
Need to downgrade to 10.
I pulled my persist image off of 10.
---------- Post added at 07:20 PM ---------- Previous post was at 07:08 PM ----------
From what I've read there's not reason to unzip the persist.img
If you backed it up with a WORKING persist present, then you simply need to boot to fastboot and flash your persist.img
It will replace the corrupted partition and you're good to go. No one on any forum I read said they actually extracted anything from the persist.img file itself.
They all had to extract (see backup) the WORKING persist.img and flash that with fastboot command.
You can extract working persist.img with the following command in adb:
dd if=/dev/block/by-name/persist of=/sdcard/persist.img
This will save it to your sdcard. Transfer that backup to your adb folder on pc. Reboot into fastboot and use the following command to flash it:
fastboot flash persist persist.img

I do have working persist. There is a youtube video regarding same issue and ye extracted files from working persist. Your steps are clear and thank you for that .
My reason for asking was. If my files are corrupted i may damage more than solving. Hopefully the files i have are good.

firoz3321 said:
I do have working persist. There is a youtube video regarding same issue and ye extracted files from working persist. Your steps are clear and thank you for that .
My reason for asking was. If my files are corrupted i may damage more than solving. Hopefully the files i have are good.
Click to expand...
Click to collapse
Hopefully you're using the good backup you made and not something you downloaded...
GL!

crazynapkinman said:
Hopefully you're using the good backup you made and not something you downloaded...
GL!
Click to expand...
Click to collapse
Today i gave it to service.
Un rooted, locked boatloader and sent to service. Just wasn't daring enough as i wasn't sure if my image backup was safe.

firoz3321 said:
Today i gave it to service.
Un rooted, locked boatloader and sent to service. Just wasn't daring enough as i wasn't sure if my image backup was safe.
Click to expand...
Click to collapse
Received the mobile back and the FP reader is working fine. :angel:

[Google Files] How to decrypt / RESTORE files from .FilesByGoogle folder !

I had files in "Safe Folder" in Files app by Google. I accidentally deleted the Files app data. Now I can't see the encrypted files in the safe folder. I am feeling helpless.
Those files were really important. I can see all those files are in the .FilesByGoogle folder in the encrypted from. Please help me to decrypt / restore them.
PLEASE HELP
Thanks in advance,

Sanjoysr said:
I had files in "Safe Folder" in Files app by Google. I accidentally deleted the Files app data. Now I can't see the encrypted files in the safe folder. I am feeling helpless.
Those files were really important. I can see all those files are in the .FilesByGoogle folder in the encrypted from. Please help me to decrypt / restore them.
PLEASE HELP
Thanks in advance,
Click to expand...
Click to collapse
A response is highly expected.
What encryption technique Google Files app use for encrypting Safe Folder files ?
Please help

You can access the files if you install the Google Files app again

jwoegerbauer said:
You can access the files if you install the Google Files app again
Click to expand...
Click to collapse
No, that's not the case. If I reinstall Google Files app, and use the same PIN as before, it shows an empty Safe Folder with an error message: "Some files on your SD card can't be opened on this device. They may belong to another safe folder or they may be corrupted." (Screenshot attached)
Please help me to restore those files from the .FilesByGoogle folder.

Haven't heard or read that the Safe Folder folder created and managed by Google Files app can get corrupted out of nowhere.

Somebody from Google Files team over there?
Please help.

Sanjoysr said:
Somebody from Google Files team over there?
Please help.
Click to expand...
Click to collapse
Here you go:
Google Help

I have the same problem, is there a solution?

I hv the same problem too .googlefile are there inside folder but can not be read

Please help somebody same problem do something it is very important

Sanjoysr said:
A response is highly expected.
What encryption technique Google Files app use for encrypting Safe Folder files ?
Please help
Click to expand...
Click to collapse
Google uses the ChaCha20 stream cipher and Poly1305-AES authenticated encryption to encrypt files in Files by Google Safe Folder