A qsb file extension associated with Google Android smartphones developed by Lenovo. A qsb file contains firmware update.

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QSB file extension - Lenovo firmware update

What is qsb file? How to open qsb files?

File type specification:

Various data file type icon Various data file type

The qsb file extension is related to the Lenovo smartphones with Google Android operating system, such as Vibe-series, A-series, K-series, and Moto series (also known as Motorola).

The qsb file stores update of firmware (Android operating system) for these smartphones.

Install update to Lenovo phone:

  • Need a memory card, create folder sdfuse and copy your qsb file to this folder.
  • Switch off the phone, long press VOLUP + POWER_KEY enter droidboot, a menu appears and select the fourth SDUPDATE option.

Updated: August 30, 2019

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

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