How To Root Sony Xperia L on Android 4.1.2 Jelly Bean Firmware 15.0.A.1.36

Sony Xperia L have been officially unveiled back in May 2013. With the dual core 1.0GHz Snapdragon processor, Xperia L performs fair enough to support daily usage i.e surfing internet, music or game. However, with memory of 1GB RAM, it does has better performance than other budget smartphone in the market in term of speed and stability (not laggy even in newer Android version). Sony Xperia L is released merely one month, XDA developers already came out with the pre-rooted kernel which helps to root your Sony Xperia L. A big thanks given to Rachit Rawat, the great initiator behind the screen that works this out for the Xperia L users. With the installation of pre-rooted kernel, busybox will be installed and together with latest su binary, thanks to the autoroot feature.

BY EditAndroid

1. Before You Begin:

1. Only for Sony Xperia SP with Unlocked Bootloader.
2. Windows-based computer or laptop
3. Download Sony Xperia SP USB driver for Windows and install in your computer.
4. Skip this step if you have installed the Sony PC Companion.
5. Enable USB Debugging on your device.
6. Make sure your phone is charged to 60% 80% to avoid battery blackout and interruption during this tutorial.
7. We recommend you make a backup on your data and media files before the tutorial.

2. Downloading Required Files:

1. Extended Stock Kernel

3. Install Recovery in the Sony Xperia SP:

1. Unlock Sony Xperia SP bootloader. Proceed to official Sony website and unlock your device.
2. Proceed after you have successfully unlocked the bootloader.
3. Setup fastboot in your computer if you do not have it. (How to setup ADB and Fastboot driver with Android SDK). Skip if you have done in Step 1.
4. Once you have completed the setup, copy adb.exe, AdbWinApi.dll from C:\\android-sdk-windows\platform-tools and fastboot.exe in C:\\android-sdk-windows\tools to a new folder at the desktop, renamed it as fastboot.
5. Download kernel_en.elf to the fastboot folder. Rename kernel_en.elf to kernel.elf. 
6. Power off your device completely.
7. Enter Fastboot Mode by connecting your device to the computer via micro USB cable while pressing Volume Up button.
8. In computer, open Command Prompt windows. (To Open Command Prompt –>Windows Logo–> Type CMD in search box –>Enter)
9. Type cd C:\fastboot in the command prompt windows to navigate to your fastboot folder.
10. Type fastboot flash boot boot.img to flash the kernel file to your device.
11. Press and hold Power button to turn off your device.
12. Download root checker to check your root status.