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Rowan Decker edited this page Jun 14, 2013 · 7 revisions

Note: This guide is made for the Asus Transformer Prime TF201. As ports are made for other devices, refer to their pages instead.

Preliminary

You must have the Jellybean bootloader installed. Your device must also be unlocked, rooted, have nvflash, or have a custom recovery (at least one).

Kernel_Chooser

Kernel_chooser is a custom kernel that displays a "bootloader" on device start up. There are currently four ways to install kernel_chooser:

  • Fastboot
  • Nvflash
  • Recovery
  • dd

It is very smart to keep a backup of the 'boot' partition in case any issues arise.

Note: You must create an android configuration before installing, otherwise your device will not be able to boot into anything.

Fastboot Method

Note: this requires an unlocked device, and fastboot drivers on your computer.

Download "latest_fastboot.blob" from Androtransfer.com.

Open a terminal and use md5sum to verify the download (optional, but better safe than sorry). md5sum latest_fastboot.blob

Put your device in fastboot mode: Hold volume down while rebooting until you see a screen. Press volume down to select the USB icon. Press volume up to enter fastboot mode.

Use fastboot to flash the kernel. fastboot -i 0x0b05 flash boot latest_fastboot.blob

Reboot.

Nvflash Method

Note: this requires you to have enabled nvflash. If you are on ICS it is recommended you do this because it can prevent many bricks. If you have already updated to JB without enabling nvflash, it is no longer possible, sorry.

Download "latest_nvflash.LNX" from Androtransfer.com.

Open a terminal and use md5sum to verify the download (optional, but better safe than sorry). md5sum latest_nvflash.LNX.

Enter Nvidia APX Mode: hold volume up while rebooting. The device should vibrate and stay at a black screen.

Open a terminal and use wheelie to enable nvflash wheelie --blob blob.bin

Use nvflash to install the kernel nvflash -r --download 6 nvflash.LNX

Reboot nvflash -r --go (wait a few seconds. If the command does not work, you can hold down power for 10 seconds to force a reboot).

Recovery Method

Note: this requires a custom recovery such as "ClockworkMod Recovery" or "Team Win Recovery Project (TWRP)".

Download "android_installer.zip" from Androtransfer.com to the device.

Use md5sum to verify the download (optional, but better safe than sorry). md5sum android_installer.zip.

Reboot into recovery. Hold volume down while rebooting, then press volume up to select "RCK". You can also use adb reboot recovery, or a menu option in some custom ROMs.

Install the zip and reboot.

DD Method

Note: this requires a rooted device.

Download "latest_fastboot.blob" from Androtransfer.com to the device.

Open a terminal emulator app on the tablet, or use 'adb shell' on the computer.

In the terminal use md5sum to verify the download (optional, but better safe than sorry). md5sum latest_fastboot.blob

Obtain root access su.

Use dd to flash the kernel to the staging partition dd if=/sdcard/latest_fastboot.blob of=/dev/block/mmcblk0p4

N.B. It is very easy to type the wrong partition. Triple check you typed mmcblk0p4 correctly. One mistake could mean a corrupted system, or a wiped data partition.

Reboot.

Configuration

Please visit the Configuration page.

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