Lenovo Tab 3 TB3-850M/ TB3-850F firmware (flash file)

This Lenovo Tab 3 TB3-850M and TB3-850F firmware flash file (stock ROM) can help you easily un-brick or restore your device to its default or factory state. If you previously rooted or modified the system (or other) partition of the phone in any way, flashing this stock ROM will overwrite all existing modified system files to replace with factory software.

If you have you have important data on the phone (like contacts, messages, app data, etc), please back them up because you could loose data after flashing.

Charge the phone to at least 50% so that the flashing process will not be interrupted by low battery. Interrupting the firmware installation means bricking your phone.

Download the firmware file from the link below and follow the recommended flashing instructions immediately after the download options. Please report any broken links discovered.

If password is requested to extract any of the files below, use lenovo-forums.ru . Just copy and paste into password field.

Download Lenovo Tab 3 TB3-850M flash file

Build number Firmware link Android version File size
TB3-850M_S100036_171222_ROW Download 6.0 Marshmallow 1 GB

Download Lenovo Tab 3 TB3-850F flash file

Build number Firmware link Android version File size
TB3-850F_USR_S100023_1604141138_MPM0._ROW Download 6.0 Marshmallow 1 GB
TB3-850F_S100030_161209_ROW Download 6.0 Marshmallow 1 GB

Important! Always backup existing firmware before flashing any firmware.

How to flash

After downloading the firmware from above link, extract the contents of the archive to an empty folder on your computer. Get a functional USB cable, then follow the instructions via this link to learn how to flash the firmware.

If you have any questions or other contribution please post in comments section for assistance.