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[Index] Kindle Fire HDX 7" & 8.9" (3rd Gen/2013)

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By sd_shadow, Recognized Contributor on 20th September 2015, 09:11 PM
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Kindle Fire HDX 8.9"
Kindle Fire HDX 7"
3rd Gen/2013

Helpful Information
Welcome, this thread has been created to encompass everything you may need for your device. Please only post in this thread with feedback on how to improve this document. Do not post "Thank you" type responses. If you have additional questions or require more help, try to find an existing thread, or create your own thread in the Q&A forum. Do not use this as a general help thread.
Click on a Link below for More Info

Please look for a similar thread when visiting another device forum.
If you would like to create an [INDEX] please Click Here.

A special thanks to everyone who contributed to the production of this INDEX
Please note: This is and will be, an ongoing WIP

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20th September 2015, 09:13 PM |#2  
Basic Device Information
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20th September 2015, 09:14 PM |#3  
Official Stock Firmware
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20th September 2015, 09:14 PM |#4  
Device Tools, Root/Un-root/Un-brick methods

USB DriversABD and fastboot.exe

Device Tools, Root/Un-root/Un-brick methods

For Fire OS version update-kindle-xx.4.5.2_user_452004120

See Prep your device for CM11 (or Nexus v4) by Davey126
[Rollback][Downgrade][Thor][Apollo] 3.2.8 rollback-OTA captured by ONYXis
You can downgrade from 4.5.5 and earlier version to 3.2.8.
From 3.2.8 you can upgrade to 4.5.2

Note: Using this downgrade method can result in a bricked device, if blocking updates step is not applied. - 25th Nov 2018

then see
[RECOVERY][STOCK][LOCKED] Safestrap v4.0.1 by ggow
then you can use roms built for safestrap recovery

Fire OS version below 3.2.4
  • Keep WLAN off/flight mode active to avoid getting updated by Amazon!
Rooting and disabling OTAFlashing Custom Recovery
Updating the Bootloader
Unlock Bootloader
*Be sure to make a backup of your Fire OS in TWRP and move it to your PC before you flash any custom ROM!

Restore Stock with Custom Recovery
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20th September 2015, 09:14 PM |#5  
Custom Roms

Unlocked bootloader
Safestrap v4.0.1
20th September 2015, 09:14 PM |#6  
Kernels & Radios
20th September 2015, 09:15 PM |#7  
MODS, GUIDES, and Misc
20th September 2015, 09:15 PM |#8  
Saved #8
1st November 2015, 07:22 PM |#9  
Junior Member
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I have the kindle fire hdx (thor) and i have successfully downgraded the os to 3.2.8 and then upgraded it to the 4.5.2 to be rooted. I do not know how to root and install nexus to it and was hoping that there is an in depth tutorial that i could follow. I have looked for one but cannot find one. If anyone could help me or point me in the right direction i would greatly appreciate it. Thanks in advance guys/gals!! Also if it is possible to do with 4.5.5 id rather do that to maintain the most recent update but to be honest i dont know the difference between the os's. I have many apple products that i have jailbroken and customized but this will be my first with kindle/android. I here that the rewards are substantial after rooting.
2nd November 2015, 05:06 PM |#10  
Senior Member
Thanks Meter: 192
@Davey126 gave a good overview here, so read all the info and ask before you brick your HDX! If you don't follow the procedure 100% correctly, you will brick your HDX! @tropicallazerbeams also linked to YouTube videos about Safestrap usage and installation of custom ROMs. Regarding the ROMs, read the installation requirements carefully! Not all ROMs are Safestrap v4 compatible (e.g. CM12 and SlimLP which require an unlocked bootloader).
Note that you must keep WLAN off/flight mode active during the down-/and-then-update procedure, getting updated by Amazon by OTA will brick your HDX!
I see you're on 4.5.2 already? You can skip the related info then, and go directly to the rooting with Kingroot.
Kingroot requires a short internet connection, so just enable it to root, and disable right after success! Otherwise you will get updated to 4.5.5. and have to do the whole down- and upgrade process again, with all the risks!
After successful rooting you can install Safestrap v4 and use eiter Nexus or CM11. Now while CM11 works in secondary slots it is recommended to use the stock slot due to higher battery usage of secondary slots (Nexus works in the stock slot only - WLAN won't work in secondary slots). Do NOT restore a backup of a secondary slot to the stock slot! This will overwrite Safestrap files and will brick the HDX!
Again: any questions please ask first.
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9th February 2016, 09:48 AM |#11  
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