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Wednesday, April 3, 2013

Installing custom kernel on xperia device

Most custom ROMs will require a custom kernel, some of these include it already (CM, MIUI etc), other you need to find yourself(Hybrom). Installation is done via fastboot. First, you need to find a custom kernel, that will work on your phone. You can find these from Development section.
1. Make sure your bootloader is unlocked, enter service men (*#*#7378423#*#*), Service Info, Configuration, if it says Bootloader unlocked: Yes, then it is unlocked.
2. Make sure fastboot drivers are installed. These should come with Android SDK.
3. Download the kernel you want. You will need a .img file, which is mostly inside a .zip file.
4. From the downloads section, download kernel installation package and extract the folder.
5. Place the .img file inside the folder. If it's name isn't boot.img yet, rename it to boot.img.
6. Place your phone in fastboot. Turn it off, connect USB cable to your computer, hold Volume UP button and then connect USB cable to your phone. Blue LED should light UP.
7. Double-click on the flash.cmd file. It will start fastboot automatically and install the kernel.
8. When finished, disconnect the cable and turn on your phone.

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