Rooting gives you access to the core files and full control over the device. You can install third party apps and customized themes after rooting the phone. But you must know that rooting your phone voids your warranty. However, you can always reverse the process i.e. unroot your phone and claim your warranty whenever needed.
The Sony Xperia U is one of the top phones in the market. Today, we’re going to discuss how to root it. Remember that this is to be done at your own risk.
For the rooting process to work, you need to unlock the bootloader. We’ll first discuss the process of unlocking the bootloader and then about rooting the Sony Xperia U.
Rooting prerequisites for Sony Xperia U:
- Ensure that your phone has at least 60-70% battery life.
- Backup all your contacts, logs, sms and rest of useful data.
- Go to menu > Settings > Applications > Development. Enable USB Debugging.
Steps to Unlock Sony Xperia U Bootloader:
- First dial *#*#7378423#*#* to access service menu, tap to Service info > Configuration > Rooting Status. If Bootloader unlock allowed says Yes, then continue with the next steps else your device cant be unlocked.
- Take note of your IMEI number by dialling *#06#
- Download fastboot.exe
- Connect your phone to your computer, open command prompt navigate to folder where you downloaded fastboot.exe and enter the command: ”fastboot –I 0x0fce getvar version“
- Enter the IMEI of your phone for which you need to unlock the boot loader and enter details such as email address and name. In case you don’t know your IMEI number you need to visit the Sony Ericsson Xperia U Boot loader page.
- Enter the following command after that: “fastboot –I 0x0fce oem unlock 0Xkey“
- You have successfully unlocked the boot loader and now you are ready to root your phone.
- Download Flashtool.exe and install it, replace its older files with download Flashtool with full Xperia 2012 line support,
- Download prerootedsystem.img for the Xperia U, original FTF firmware for the Xperia U.
- Flash prerooted system image through fastboot: “fastboot flash system system_prerooted.img” and then reboot your phone. This should do the job of rooting.
- Now flash the original ftf firmware through flashtool.exe and then reboot your phone.

