AT&T Tilt User Manual page 22

22 Getting Started
To install the battery
Align the battery's copper contacts with the connectors at the upper right side
of the battery compartment. Insert the battery into the compartment with its
right side first, then gently push the battery into place.
After you have inserted the battery, replace the back cover.
To remove the battery
1.
Make sure your device is turned off.
2.
Slide the back cover upward to release and remove the cover.
3.
Lift the battery from its left end to remove, then set aside.
Copper contacts