egzthunder1 · Jan 5, 2011 at 09:00 pm

Universal Unrooting Technique

You have seen many guides go through our Portal that deal with the fabulous rooting process for Android devices, which allows owners to play freely with their devices without constrains from carriers or manufacturers. But what happens when your device breaks? Do you take it to the shop? And when you do, the first this that will likely pop out of the store’s technician will be: how is it that you have Gingerbread running on your G1? You do realize that this voids your warranty, right? Just as it has always been since flashing became a habit on XDA-developers, the device must be taken back to factory shipped condition before you can even attempt to return it or send it in for repair. In the case of WM, it means flashing back to stock and maybe re-locking the HSPL, depending on what device you have. As for Android, it means that you need to unroot it.

Unrooting is a method, much like rooting the devie, which is a bit involved and certainly one that requires you to have an idea of what you are trying to accomplish. We know that there are some 1-touch applications that will do this for you on certain devices, but these normally will not work on everything. XDA member siidheesh has prepared a set of instructions that apply to most Android devices out there. The guide is split in a step by step fashion, complete with adb commands. So, if you are in dire straits to return your device for a warranty repair, make sure that you follow this guide.

Firstly, in order to unroot your android device, you need:

  1. Your phone to have stock recovery, not custom recoverys
  2. An update available for your phone or an old nandroid backup that has a previous version of your phone.
  3. A nandroid backup done before you attempt the following steps below

Once the above conditions are met, you are ready to UNROOT your phone!

You can find more information in the guide thread.

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