How to Allow APK Files on a Motorola Backflip

1. Press the 'Home' button, which is the center button below the main display. This takes you to the BACKFLIP's 'Home' screen.

2. Press the 'Menu' button, which to the left of the 'Home' button.

3. Tap 'Settings,' then 'Applications.'

4. Tap the 'Unknown sources' option to place a check in the box next to it. Tap 'OK' in the window that appears giving you further information about this feature.