Unlocked Bootloader + TWRP for Kindle Fire HD 8.9





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Published on Dec 19, 2012

Original "Fix" discovery for the Kindle Fire HD bootloaders: Fattire
Original tweaks to the bootloader: verygreen

Here's a video of the new bootloader for the Kindle Fire HD 8.9 (shown loading the normal Amazon OS and then a build of TWRP)

This isn't that hard to install -- though it does require you have fastboot connectivity setup with the device. (Means installing the Android SDK and making sure your USB drivers are up-to-date.)

And without setting the recovery-mode this can over-write a valuable portion of the /system partition. I checked on my device and there wasn't anything there, but you never know. Heavily modded /system's might.

In a bit, I'll do a write up on XDA under the Kindle Fire HD 8.9 dev section with the installation details: (It's similar to verygreen's CWM install) But essentially it's 4 steps: 2 shell commands as su, and then 2 fastboot flashes.

Some changes to the new bootloader for this:
1. Pressing and holding "Volume UP" before the blue "Kindle Fire" logo, and then releasing a second after it's displayed enters recovery.
2. I've removed the recovery-mode settings in the current development tree so that users won't get stuck in it. Instead the new bootloader handles a new "one time" recovery setting which gets cleared after entry.
3. Changed the logo on the bootloader to match what we have on the 1st gen Kindle Fire


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