I must say, you have experienced a great feel while using and flaunting your Sony Xperia Z device in front of many people. Not only that, your excitement increases after rooting and installing various unique Custom ROMs, and your device becomes much more better like never before! But that feel doesn’t remain forever, because you had already voided the warranty of your device, so the bond between you and the manufacturer is broken. Now, What if I say that you can regain your device warranty back by unrooting your device. Yes, there is method alleged Unroot Sony Xperia Z and further you can install Stock ROM on it.
Today, in this article, I will show you the step-by-step guide to Unroot Sony Xperia Z to Install Stock ROM and Relock Bootloader. For simplicity, I have divided the post into two parts:
1. How to Relock Bootloader of Sony Xperia Z
2. How to Unroot Sony Xperia Z to Install Stock ROM
Before going further, make sure first you read the whole post carefully and then only go for actual process, because we are not responsible for any of your damage happens to your device. Follow at your own risk!
Things to be done to Unroot Sony Xperia Z
- Charge your device battery upto 70 – 80%.
- Make a complete backup of your current ROM and data.
- Enable USB debugging.
- Install required USB Drivers from here.
- Device bootloader must be unlocked and rooted
How to Relock Bootloader of Sony Xperia Z
1. Download and install “FlashTool” on your Computer.
2. Now, open the “FlashTool.exe” and click on BLU button on the top.
3. Switch off your device.
4. After few seconds , flashtool will show pop-up window, at that time connect your device while holding ‘Volume down button’ via USB cable to the computer.
5. Just you have to click on ‘Relock button’ and your bootloader will be successfully locked.
At this stage, you have ‘Relock Bootloader of Sony Xperia Z’ and now it’s the turn to Unroot Sony Xperia Z to Install Stock ROM. For that, go on following the below procedure!
We have two methods to Unroot Sony Xperia Z to Install Stock ROM. So, users are strictlyrequested to go for the “METHOD 1″, if you’re running Android 4.1.2 Jelly Bean on your Sony Xperia Z device, otherwise go for the “METHOD 2″ (Xperia Z 4.2 Update).
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