OTA guide.

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offa 2017-08-04 12:27:10 +02:00
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The installation of OTA updates often fails if the device has been rooted. Though it's still possible without data loss. This guide shows how, using *TWRP* and *Magisk*.
***Important:** Before you start **backup** everything that's important!*
***IMPORTANT:** Before you start **backup** everything that's important!*
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## Prerequisite
1. The Update file of the version that's running on the device (*NOT* the update you want to install)
1. [**TWRP**](https://twrp.me/) for your device
1. [**Magisk**](https://forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445)
1. *ADB* and *Fastboot* inclusive developer mode the device
Don't forget to check the checksums of all files.
Doing the update isn't that difficult: Reset some system partitions, install OTA, refresh *TWPR* and *Magisk*, done. There are two versions of this guide: The short version is just a list of steps, while the long version contains each step and the commands necessary.
## Short Version
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## Long Version
At first double check your backups and the prerequisites listed above.