Amazon Kindle Fire 7 firmware update fix to install APK files

spud1966

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My Amazon Kindle Fire 7 has just updated to FireOS 5.6.0.0

Apps from Uknown Sources box ticked

Tried to install a apk file , but the Install button was greyed out

Here is a fix to install your apk files again on the new OS


  1. Start installing your apk, and get to screen where Install is greyed out.
  2. Press the power button to put your device to sleep.
  3. Press the power button again, and unlock your device.
  4. The Install button should activate when your device unlocks, allowing you to install your apk.
 
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