DOES THIS DEVICE NEED A SIM CARD: Yes it does Being that this device is GSM Unlocked although it is Metro PCS Branded it will work on any active GSM Network Nano size SIM Card, The sim card does NOT come included you will need to contact your Network provider to acquire your complimentary Sim card (Free from most GSM Networks with activation of an account).
WHAT NETWORK FREQUENCIES ARE SUPPORTED BY THIS DEVICE: The Phone will support the folowing Technology Bands: GSM / HSPA / LTE 2G bands GSM 850 / 900 / 1800 / 1900, 3G bands HSDPA 850 / 1700(AWS) / 1900 / 2100, 4G bands LTE band 2(1900), 4(1700/2100), 5(850), 12(700), 66(1700/2100). Please contact T-Mobile (prior to purchase) and inquer if they support these bands in your area to ensure the device will work Properly.
SO HOW LONG CAN THIS PHONE LAST ME: in the box, you will find (a removable 3200mAh BL-44E1F battery) that lasts according to the manufacturer for 14 hours of continuous streaming and 456 hours of standby. WHAT DOES FINGERPRINT SECURITY MEAN: So this phone has a Fingerprint sensor to secure and to ensure your personal information always stays safe, this is the top of the line and safest way to keep your personal information safe
WHAT DOES UNLOCKED REALLY MEAN: Unlocked devices are compatible with GSM carriers the kinds that Use SIM Cards for Service like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers) Unlocked Devices will not work with CDMA Carriers the kinds that dont use sim cards for service like Sprint, Verizon, Boost or Virgin (contact your network provider prior to purchasing for verification that they support GSM frequencies listed in Bullet point #2.