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

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QSB file - 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.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .qsb file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

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