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[BOOTLOADER] 2nd-Bootloader/Recovery unlock process for KFire 2 [TWRP 2.6.3.0]

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By Hashcode, Senior Recognized Developer on 15th January 2013, 05:53 PM
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27th March 2016, 11:48 AM |#561  
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I just installed cm11 on my mother in laws kf2 yesterday.

Note: I think you have to be below 10.5 software version? (Unsure)

Your first step is to get adb and fastboot drivers working.

Then download minimal adb and fastboot (Google it)

You can test adb by typing:
adb devices

from the command prompt you get when you run with minimal adb

You can now boot into fastboot
By typing:
Adb shell su -c "reboot bootloader"

Now test fastboot by typing
Fastboot -i 0x1949 devices

If all works

Then find all the files
Hashcode mentions at the first page of this thread (I think they were around post 545)

Run the commands one by one
If you don't use the latest twrp you will not be able to install cm11 but can cm10

Note: you have to immediately flash a ROM. Twrp goes away every time you boot kindle os..

---------- Post added at 11:48 AM ---------- Previous post was at 11:47 AM ----------

This post helped me get my drivers working:

http://forum.xda-developers.com/kind...6/post66052428
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28th March 2016, 12:48 AM |#562  
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Quote:
Originally Posted by parker.stephens

Yes I do. Check md5 as I'm not sure that when you download them they'lll be complete!

https://www.mediafire.com/folder/5od...t_and_Recovery

Bump just so everyone knows these files are here
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9th September 2016, 06:11 PM |#563  
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I managed to flash bootloader and recovery and managed to boot into recovery once, but I did not flash anything and just rebooted. now my kf2 is in bootloop and the blue logo does not show up so that I can enter recovery mode again.
Please help!!!
18th September 2016, 05:01 PM |#564  
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acer liquid jade z bootloader
can someone tell me how to unlock the bootloader of a acer liquid jade z please I searched all over the internet but I didn't find anything
1st October 2016, 06:23 AM |#565  
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Would someone be so kind to offer new download links, goo.im website is down for good.
Thanks!!

Edited: just found the post above with different link uploads #562
1st October 2016, 06:15 PM |#566  
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mods this can be deleted. edited above.
21st August 2017, 07:55 PM |#567  
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Does this work without a fastboot cable (IE just using a regular micro USB?)
4th February 2018, 04:24 PM |#568  
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Quote:
Originally Posted by mikeataol

==========

--- Place the TWRP backup / or the ROM and gapps .zip on your device in the /sdcard area

--- ADB commands entered while booted up into STOCK *rooted* Amazon Kindle OS -- May need to enable ADB debugging in Settings:

adb push stack /sdcard/
adb shell su -c "dd if=/sdcard/stack of=/dev/block/platform/omap/omap_hsmmc.1/by-name/system bs=6519488 seek=1"

--- Connect fastboot cable, and reboot the device so that "Fastboot" is showing

fastboot -i 0x1949 flash bootloader otter2-u-boot-prod-10.2.4.bin
fastboot -i 0x1949 flash boot otter2-freedom-boot-10.4.6.img
fastboot -i 0x1949 flash recovery otter2-twrp-2.7.1.0-recovery.img
fastboot -i 0x1949 reboot

--- If everything was done correctly you will at this point see the bootmenu with a BLUE logo during the reboot

During the blue logo screen press the power button to cycle through options and select "Recovery" to enter TWRP.

Thanks man !! You are my hero.
I could flash my Kindle Fire 2 which had the Stock ROM with version 10.5.1 following your indications. Now I have PACRom Up and running.

I will only add some links to download stuff.

How to flash a new ROM in your stock Kindle Fire 2.
I assume you have the "Minimal ADB and fastboot" ready in your computer as well as the drivers.
0- Check that when you connect the kindle in your windows computer, you see "Android Phone --> Android ADB Interface".
Is this not the case, it means your drivers are not OK. Google it.

1- you need root.
download the KingRoot app from here and install it in your kindle. KingRoot
2- reboot your kindle
3- Now you need to download the files that you will have to flash.
Find them here Freedom boot, twrp, otter2 u boot, and stack --> thanks @mrkhigh
4- Download ROM and Gapps
You can choose whatever ROM you like.
I tried LineageOS 12.1 but could not make it work. I could not go pass the wifi bug. Wifi bug .

And the corresponding Gapps. OpenGapps[/INDENT]
And now follow the process explained by @mikeataol
Boot normally
1- Boot normally your Kindle Fire 2 and copy these files in the /sdcard/ of Kindle fire. The ROM and Gapps will be copied later
Code:
adb push stack /sdcard/
adb shell su -c "dd if=/sdcard/stack of=/dev/block/platform/omap/omap_hsmmc.1/by-name/system bs=6519488 seek=1"
2- Now get in fastboot mode
You only need a normal cable USB cable. If you were able to copy the files to the sdcard, it means you have a good cable. Sometimes, some cables do not work. Try another one.
This command will get you in fastboot mode
Code:
adb shell "su -c 'reboot bootloader'"
Once in fastboot mode
Now you will flash the other files that are in your computer
Code:
fastboot -i 0x1949 flash bootloader otter2-u-boot-prod-10.2.4.bin
fastboot -i 0x1949 flash boot otter2-freedom-boot-10.4.6.img
fastboot -i 0x1949 flash recovery otter2-twrp-2.7.0.0-recovery.img --> watch out with this one, check it is the right version
--- If everything was done correctly you will at this point see the bootmenu with a BLUE logo during the reboot

During the blue logo screen press the power button to cycle through options and select "Recovery" to enter TWRP

Once at TWRP
Wipe --> Advance Wipe and Select: WATCH out, this will delete everything you have in the /sdcard/ WE will have to copy ROM and Gapps
x Dalvik Cache
x Data
x cache
x system
x internal storage

Then --> format data
The internal memory (/sdcard/) is now empty. We have to copy the files.
Mount --> mount USB as storage

Now in the ADB window type
Code:
adb push "Name of the ROM you downloaded" /sdcard/
adb push "Name of the Gapps you downloaded" /sdcard/
Then Install

--> Select the ROM and Gapps.
And wait until it is done. (it takes some minutes)
Congratulations. You have a Kindle Fire 2 with a real Android ROM
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