Getting Started 9To replace the battery cover: Position the battery cover over the batterycompartment and press down until you hear a click.SIM Card OverviewImportant! Before removing or replacing the micro SIM card,make sure the device is switched off. To turn thephone off, hold down the key until thepower-off image displays, then tap Power off.The micro SIM card is loaded with your subscription detailssuch as your telephone number, PIN, available optionalservices, and many other features.Important! The micro SIM card and its information can beeasily damaged by scratching or bending, so becareful when handling, inserting, or removing thecard. Keep all SIM cards out of reach of smallchildren.Some features on your device (such as Wi-Fi Calling) can beunlocked by using the new micro SIM card.To use this new micro SIM card, call or contact T-Mobilecustomer service for more information.Release Latch