Friday, June 24, 2016

[TOOL] Backup & Restore EFS on OnePlus 3

Backup & Restore EFS on your OnePlus 3

To Backup:
1) Enable USB Debugging Settings -> Developer Options -> USB Debugging.
If Developer Options not found, go to Settings -> About Phone and tap the build number rapidly 6-7 times till a toast comes up saying 'You're now a developer' . You will now see 'Developer Options' above About Phone in settings.
2) Download the attachment, extract it to a folder, connect your phone to PC through ADB, double click on 'BACKUP EFS.bat'. When it says 'Press any key...' just press any key on your keyboard! You'll see 'modemst1.bin' & 'modemst2.bin' files in the same folder where you extracted the ZIP, make more copies and backup of it! That's your EFS!
DONE!
Backup tested on OnePlus 3 OxygenOS version 3.1.2

To Restore:
1) Connect your phone to PC through ADB, place your 'modemst1.bin' & 'modemst2.bin' in the folder where you extracted the attachment and double click on 'RESTORE EFS.bat'.​
DONE!
Restore not tested!!

I could not find any tool so far and apps from Play store fail to create a backup. So I have re-used the tool created by @Paresh Kalinani for OnePlus One and modified it to extract for OnePlus 3.

Credits:
@Paresh Kalinani for creating this simple tool for OnePlus One
@Signor Rossi for providing the partition information



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via IFTTT

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