Originally Posted by Vexorg

I just tried doing this but I couldn't see the file from TWRP when i rebooted into recovery. Any ideas why this may be?

That's because the file you download is ".bin". you need to rename it to "update.zip". and you should see it.

Worked like a gem thanks

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Originally Posted by TahrirSquare

That's because the file you download is ".bin". you need to rename it to "update.zip". and you should see it.

I did that, still no luck

Originally Posted by Vexorg

I just tried doing this but I couldn't see the file from TWRP when i rebooted into recovery. Any ideas why this may be?

Got it working, confirmed this works!

had to change some folder settings to view the extension.

I just did this and it worked flawlessly. Thanks a lot, OP!

Awesome, thanks!!

Flawless.
Works perfectly and surprisingly quickly.
It's really not the OPs fault if people are too impatient, unwilling and for whatever reason, incapable of following simple instructions.

And the instructions were as simple and easy to follow as they come.

Great Job, OP!

I did this with the newest update. I was on gederom. Everything went as stated in the OP but mine didn't give me the message about can't find misc volume or whatever. The update.zip installed just like any other rom and I was back on stock.

Thanks OP.

Originally Posted by kmmxracer

This method worked perfectly for me, first go. Way easy. I was on one of the latest CM9 builds and downloaded the stock files from the Amazon link posted by the OP.

-Re-name the file in ES File explorer to update.zip
-Moved it to the root of the SD card
-Booted in to TWRP
-Factory Wipe/Restore
-Wiped Cache
-Wiped Dalvik Cache
-Wiped System
-Installed the "update.zip"
-Wiped cache/dalvik again
-Rebooted
-My Kindle Fire booted back into stock 6.2.2 in less the a minute.

Worked like a charm. No problems no warning, nothing.

Just returned mine to stock using this method and works awesome with 6.3.1. Just used ES File Explorer and renamed the *.bin file to *.zip and it flashed with no errors, just reboot and everything is back to stock no FFF or TWRP. Perfecto!