10Installing a SIM cardInstalling the batteryInsert your fingernail into the cutout betweenthe battery cover and the phone. Unclip thecover and lift off the battery cover.Place the battery into the batterycompartment, lining up the battery connectors with those at thebottom of the compartment.Align the tabs on the cover into the slots on the phone.Gently press the cover until it snaps in place.CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECTTYPE.DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.Charging the batteryFor initial use, you need to charge your smartphone for eight hours. After that youcan recharge the battery as needed.Connect the AC adapter cord to the micro USB connector on your smartphone.Removing the batteryOpen the battery compartment as shown in "Installing the battery" on page 10.Lift the battery out of the compartment using the clip on the top of the battery.Replace the battery cover as described above.Installing a SIM cardTo take full advantage of your smartphone’s telephony capabilities, you must installa SIM card. The SIM card holder is located at the bottom of the battery bay.1. Turn off the phone by pressing and holding the power button; follow theonscreen instructions to turn off your phone.