In this guide we are going to show you how to unroot and restore stock firmware on Sony Xperia devices easily. If your Xperia smartphone is having performance issues since rooting, upgrading stock firmware, or any other reason then you can follow a step-by-step guide below to restore stock firmware on Sony Xperia or you can use this tutorial to unroot Sony Xperia phones.
Sony entered the smartphone arena back in 2011 but failed to elicit excitement as many had expected from a company of Sony’s stature. However, from 2013 onward the Japanese electronic giant started making some inroads into the smartphone market with an array of decent Xperia branded devices. The Xperia Z was the first major hit smartphone from Sony and from there it has gone from strengths to strengths. Beside offering decent specs the Xperia phones are considered durable and affordable compared to similar speced-out devices. Sony caters to low, mid and high-end smartphone market segments with its Xperia devices. You get amazing value for money with Sony Xperia – you can even enable fingerprint sensor feature on certain models. Another factor that gives Sony an edge over rivals is the consistency with which it pushes Android firmware updates for Xperia smartphones. What makes owning an Xperia device extra special is you can update even the years old model onto the latest Android firmware to rock new features without any issue. Design, build quality and specs add to the appeal of Sony Xperia devices. Sony’s cameras have always been amazing and the company replicated camera expertise with stunning effect on its Xperia phones. All these should be ample reasons for you to pick Xperia devices over rivals’ products. Sony is also known for releasing Xperia devices with stunning stock wallpapers to add to the beauty of already great display.
Now back to our main topic of restoring and unrooting the Xperia devices. If you are a proud owner of a Sony Xperia device and can’t help but tweak your device for unleashing its maximum potential, in that case you most probably have rooted your device, flashed a custom recovery or firmware, installed ROMs or MODs, and lots of other tweaks for customization purposes. Although this tinkering with the smartphone can bear fruit in the form of better personalized device, greater freedom to install things otherwise restricted by manufacturer, or whatever your reason may be but there is always room for error that can cause your device to end up in soft-bricked state or effects the stability of your device that can’t be resolved by a simple reboot. Somethings the only way out of the critical error afflicting an Xperia device is to unroot it, revoke root access, and restore it back to the stock condition. And the only way to restore the stock state is to flash stock firmware. Since you cannot get OTA stock firmware updates on a rooted device or use Sony Companion to recover stock state, only solution left is to flash stock firmware using Sony Flashtool manually.
Now before starting with the method, it is our responsibility to bring this to your notice that if Sony Xperia device bootloader is unlocked, this process won’t put it back to locked state, nor it will revert the warranty of your device back. However, it will wipe out custom recovery, kernel, root access or any MODs that you may have flashed on your device. Users with the locked bootloader on Xperia device will get all custom changes wiped out from their device but the device’s warranty will remain intact.
Useful Read: Fix Sony Xperia Bootloop After Unlocking Bootloader
Now let’s see the process to unroot and install stock firmware on Sony Xperia Deivces.
Before You Start:
Make sure following requirements are fulfilled properly in order to prevent errors during the process:
- This guide is only for Sony Xperia smartphones. Do not attempt this on any other device otherwise you might brick it.
- Follow instructions carefully as we will not be responsible for any damage to your device.
- Backup data of your device or backup data on rooted device.
- Make sure device’s battery is at over 60 percent charging level to avoid accidental shutdown during the process.
- Enable USB Debugging on your device: Settings > Developer options > USB Debugging. If you don’t see developer option in settings, go to Settings > About Device and tap seven times on Build Number.
- Use original USB data cable that came with your device to avoid connect issues with PC.
- Sony Flashtool must be installed and working. After installing, open the Flashtool folder from where you installed it. Go to Flashtool > Drivers > Flashtool-drivers.exe and install the Flashtool, Fastboot and Xperia drivers for your device (this is very important).
- Download official Sony Xperia firmware and create FTF file. Get the FTF file for the firmware you want to install, skip this if you already have the FTF file or follow this guide to download official Sony Xperia firmware and create the FTF file.
How to Unroot & Install Stock Firmware on Sony Xperia Devices
1 – Ensure that all the above mentioned prerequisite conditions have been met.
2 – Download firmware and create the FTF file, see the guide in the above link for it.
3 – Copy the FTF file and move it to Flashtool > Firmwares folder.
4 – Launch Flashtool.exe.
5 – On the flashtool interface, click the lightening button on the top left corner and select Flashmode.
6 – Select the FTF firmware file that you placed in the folder in step-3 above.
7 – On the right-pane, select items you want to wipe out such as Data, Cache, Apps Log. Its better that you wipe out all items on the list.
8 – Hit the OK button to start flashing firmware. Wait until the loading is complete.
9 – Next, power off your device, press the back key (for Xperia devices released after 2011, volume down key acts as back key), and connect it to computer via USB cable while keep pressing the back key.
10 – Firmware flashing process will begin as soon as the Flashmode is detected. Do not leave the Volume Down key until the flashing process is complete.
11 – Next, leave the Volume Down key when you see Flashing ended or Finished Flashing message on the screen.
12 – Disconnect your device from computer and reboot it after which it will start in stock firmware.
13 – That’s it.
Congrats! You have successfully installed official Android stock firmware on your Xperia smartphone. If you are still facing any issue, send your queries in the comments section below.