Thanks Meter 507
Join Date: Feb 2013
Location: New Braunfels, TX
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Ah that button is usually greyed out, it's meant for if you follow amazon's instruction on their site and put their update file on your sdcard, if you do that then it would let you hit it. That method should still work I believe if you want to update it. Keep in mind that would unroot it and possibly get rid of custom recovery, but it's been a while so I don't remember if it gets rid of custom recovery, then again I just woke up and I haven't used amazon os for the better part of a year now.
Sent from my Amazon Kindle Fire HD running CM10.1 Tablet UI using xda-developers app
My Wallpaper Fix for KF2, KFHD 7", and KFHD 8.9" is HERE
Please Read the instructions and use the debugger if you run into errors.
My own modified adb drivers for just about all kindles (includes old twrp and cm versions) HERE
Tablet UI Patch for latest CM10.1 build HERE
Please send complaints to /dev/null