Root Sony Xperia T & Install CWM Recovery By Flashing an Insecure Kernel

Sony Xperia T, a new device has been rooted by folks at XDA-Developers forum and we, here at Hack My Android are here to help you in rooting the device by means of a simple tutorial. The method to root Sony Xperia T is pretty simple and is the same one used for most of the Sony Xperia devices. It requires you to unlock the bootloader of your device and flash an insecure kernel. Make sure you follow the instructions carefully and post a comment if you go wrong somewhere.

Root Sony Xperia T

Rooting the device lets you gain administrator access to your phone and you can enjoy using Apps like Titanium Backup, Tasker, Juice Defender etc which are perhaps the most famous apps you must install after you have rooted your device.

Flashing this kernel will also install ClockworkMod Recovery on your phone using which you can create nandroid backups and flash custom ROMs on your phone.

Before you proceed with any hacking process, let us give you a few tips to backup all data on your device.


  1. Back up all apps using ASTRO File Manager. You can get the APK files using ASTRO and later restore it. Rooted users can use Titanium Backup which also backs up data along with the apps. You can restore data of apps after rooting your phone.
  2. Back up all contacts to SD card.
  3. Backup SMS on Android.
  4. Backup call log on Android.
  5. Have minimum 60% charge on your phone else you might get stuck while the update process is running on your device.
  6. Remove any security or Anti-virus app if you have them installed.
  7. Enable USB Debugging. This can be don by Settings>Applications>Development and making sure that USB Debugging is checked.
  8. Make sure your phone is not locked to any network.

DisclaimerHack My Android is not responsible for any damage that your device may face during this process. The developer is also not responsible for the same. There are little chances that your device may face any issue. However, try this at your own risk. This process will void the warranty of your device.

Unlocking the Bootloader

You can not flash any kernel on your device while its bootloader is locked. Hence, the first step should be unlocking the bootloader of Sony Xperia T which can be done using the instructions available on Make sure you follow all the instructions mentioned in the official Sony website. If you get confused with the steps, leave a comment below.

Rooting the Sony Xperia T

  1. Download the insecure kernel from the original thread (stock kernel also available in same thread).
  2. Copy the downloaded kernel to the platform tools on your computer. This folder will exist on your computer only if you have install Android SDK. If not, read our ADB guide.
  3. Turn off your device and connect it to the Computer via USB Cable.
  4. Boot your phone into fastboot mode by pressing and holding Volume Up + Power button. Make sure it is still connected to the PC.
  5. While your device is in fastboot mode, Shift+Right click on the “platform tools” folder on your computer and select the option “Open Command Prompt here”.
  6. In the Command prompt window, type the following command:
    fastboot flash boot insecure.elf
  7. After this, type “adb reboot” to reboot your phone.

If the kernel doesn’t boot up, reset your phone while plugged in to pc, after the vibration press volume up to enter fastboot
– download the stock kernel and put it in the same directory as fastboot and adb files
– then flash back stock kernel using this command: fastboot flash boot kernel.sin

Flashing the insecure kernel should root your phone and install CWM recovery. If you face any issues, feel free to comment below.

  • rap

    how to root xperia J

    • Lalit Indoria

      Root it via FlashTool.