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