The Good The Galaxy S7 Active has extra long battery life and is resistant to dust, water and drops. It has has the same speedy performance, expandable storage and excellent camera quality as the original S7. The Bad The bulky, plastic design feels cheap compared with the glass-and-metal S7 and the phone is expensive. The Bottom Line AT&T customers searching for a durable and high-end smartphone can’t go unsuitable with the Galaxy S7 Active.
DOES THIS DEVICE NEED A SIM CARD: Yes it does Being that this device is GSM unlocked it’ll work on any GSM Network with a Nano size SIM Card The sim card does not come included and it is very important contact your Network Provider to acquire your complimentary Sim card (Free from most Carriers with activating of an account).
WHAT NETWORK FREQUENCIES ARE SUPPORTED BY THIS DEVICE: Technology GSM / HSPA / LTE. LTE bands LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 20(800), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) 2G band sGSM 850 / 900 / 1800 / 1900 3G bands HSDPA 850 / 1900 / 2100
HOW LONG CAN I EXPECT THE BATTERY TO LAST ME: Well the battery has 4000mAh which in a Usage period of time means 32 solid hours of streaming at 4G LTE speeds as well it has a Standby time of up to 384 hours before you wish to have to recharge the battery.
This device will come out of the box with Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat) (you can also need an active AT&T SIM card to be able to be eligible to receive the updates) as well this device comes with a quad core processor running a GPU Adreno 530 this device has 32 GB of internal storage and 4 GB of RAM has a 12 megapixel primary camera in addition to a selfie camera
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 in addition to 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 reinforce GSM frequencies).