I review this mobile is powered by 1.5 GHz quad-core it comes with 512MB of RAM. The phone packs 8GB of internal storage that can be expanded up to 32GB via a microSD card. . The Lyf Flame 4 is a dual SIM ( GSM and GSM) smartphone that accepts Micro-SIM and Regular. this phone is not bad in this price.1700 mAh Battery Warranty: 1 Yr + 1 Yr Extended. LYF FLAME 4 4G Smartphone . gaming is slow but ok. and battery backup is also not too good.battery down erly in net use . but ok. thank you .LYF Flame 4.