12BatteryBefore using your device for the first time, install the batteryand charge it fully.Important! Before removing or replacing the battery, makesure the device is switched off. To turn the deviceoff, hold down the key until the power-offimage displays, then tap Power off.Installing the Battery1. Slide the battery into the compartment (1) so that thetabs on the end align with the slots at the bottom of thephone, making sure the connectors align.2. Gently press down to secure the battery (2).Removing the Battery Grip the battery at the top end (3) and lift it up and outof the battery compartment (4).Installing BatteryRemoving Battery