The NUU Mobile G3 Android 8 Oreo Unlocked Cell Phone in Saphire Blue is powered by an Helio P25 Octa-Core 2.39GHz processor. The G3 comes with 4GB of RAM and 64GB of built-in storage and supports up to 128GB. The G3 comes with a 5.7 inch HD display 1440x720 (18:9). The G3 includes dual rear cameras 13MP PureCel main camera plus a 5MP depth-sensing camera. The ultra-thin 3000mAh battery with fast charge and advanced battery performance optimization will run the G3 for over 24 hours. Built-in fingerprint sensor & facial recognition. The G3 comes with a clean, zero bloatware Android 8 Oreo. Network connections are Dual SIM Dual Standby LTE B2/4/5/7/12/17 WCDMA B1/2/4/5 GSM B2/3/5/8. The G3 Sapphire Blue is a GSM 4G LTE unlocked smartphone only, that will work with AT&T, T-Mobile, MetroPCS, Mint Mobile, and other GSM carriers. The G3 comes with a 1-year warranty by NUU Mobile.