GSM model?? Dual standby?? CPU: MediaTek MT6753?? Display Diagonal: 5.3 "isplay Resolution: 720 x 1280?? RAM capacity: 1.5 GiB?? ROM capacity: 14.9 GiB?? Expansion Slots: microSD?? microSDHC?? TransFlash.</br>Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile?? but are not compatible with CDMA carriers such as Verizon and Sprint.</br>Please check if your GSM cellular carrier supports the bands for this model