Lenovo NVRAM Backup Collection!


Lenovo NVRAM Backup
Collection

< What is NVRAM? >

Quote:

Non-Volatile Random Access Memory, a type of memory that retains it’s contests after switching off a device. It consist of SRAM and EEPROM chips. NVRAM contains data like WiFi and Bluetooth MAC address, Baseband version, IMEI/MEID number and other essential information.
So losing or corrupt NVRAM data means you will not be able to use your device with any mobile network or connect to WiFi.


< How to Backup NVRAM? >

< Method #1 >

Quote:

  • Download MTKdroid Tools.
  • Unzip the file on your PC and run MTKdroidTools.exe.
  • Enable USB Debugging in your Android phone by going to “Settings> About Phone” and locate “Build Number“. Then tap on build number seven time and now you have “Developer Options” enabled in your device. Go back to “Settings” page and tap on “Developer Options“. Now tap on “USB Debugging” check box to enable USB debugging in your device.
  • Connect your device to your PC via USB cable.
  • Click on the “Root” button at the bottom of the program window and grant root permission in your phone.
  • Now click on “IMEI/NVRAM” button. A pop-up window will be appeared.
  • Click on “Backup” button and the application will backup your IMEI/NVRAM data in the “BackupNVRAM” folder inside “MTKdroidTools” folder.

< Method #2 >
*Root Required*

Quote:

taskkill /f /im adb.exe
adb.exe shell su -c "dd if=/dev/nvram of=/data/local/tmp/nvram.img bs=5242880c count=1"
adb shell su -c "chmod 0777 /data/local/tmp/nvram.img"
adb.exe pull /data/local/tmp/nvram.img nvram.img
pause



< How to Restore NVRAM? >

< Method #1 >

Quote:

  • Run MTKdroidTools.exe from PC.
  • Enable USB Debugging in your phone and connect it to your PC via USB cable.
  • Click o the “Root” button at the bottom of the program window and grant root permission in your phone.
  • Now click on “IMEI/NVRAM” button. A pop-up window will be appeared.
  • Then click on “Restore” button. It will ask for a .bin file and a .tar file. Select the correct file from “BackupNVRAM” folder. If everything goes well you have successfully restored your phone’s IMEI/NVRAM data.

< Method #2 >

Quote:

taskkill /f /im adb.exe
adb.exe push nvram_write.img /data/local/tmp/nvram.img
adb.exe shell su -c "dd if=/data/local/tmp/nvram.img of=/dev/nvram bs=5242880c count=1"
adb reboot
pause



< NVRAM List>

Quote:

======
A Series
======

A316
A316i
A318t
A319
A328
A369i
A378t
A390
A516
A526
A529
A536
A630
A656
A660
A670t
A680
A690
A766
A800
A806
A820
A830
A850
A850+
A859
A880
A916
A2010-a
A2107A-H

======
B Series
======

B6000-H

======
P Series
======

P70-t
P770
P780
P780

======
S Series
======

S650
S660
S720
S820
S850
S860
S890
S898t+
S920
S930
S939
S960
S6000-H


< DOWNLOAD >
All files are uploaded to this MEGA Folder
Lenovo NVRAM Folder

======================================
*Folder will be updated with the latest NVRAM files.
*Please, Everyone backup their NVRAM files and post it here.

=======================================

BEST REGARDS

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