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How to backup, restore, and claim warranty for Sony Xperia devices [Guide]

xperia-sp [1]The first thing everyone would have to do before getting their hands dirty, trying to tune their device should be taking a backup of everything important, just to make sure that you do not end up getting screwed on all joints. For Sony Xperia devices, backing up the TA partition can effectively enable you to restore your device to its factory state, in case your device ends up in trouble. This includes restoring the DRM keys, locking bootloader and restoring the warranty, etc.

Disclaimer: This guide is intended as a helpful “how to”. dotTech and its writers are not responsible for any gain or loss (including but not limited to bricked devices) incurred as a result of following this guide. Proceed at your own risk.


This guide will help you to backup, restore and claim warranty for almost all Sony Xperia devices. Please check the compatible devices list [2] before proceeding.

Before We Begin

How To backup, restore and claim warranty for Sony Xperia devices

Video tutorial:


Make sure you keep your backup somewhere safe. Happy tweaking!

[via XDA [5]]