Htc Desire 501 Dual Sim has display Size 4.3", operating system Android 4.1; Sense UI 4+. The device has ram 1 GB too, card support is microSD, up to 64 GB (dedicated slot), it has 8 GB, 1 GB RAM hard disk. Back camera 8 MP is awesome, front camera 2.1 MP is also not bad. Desire 501 Dual Sim has power storage, . Device status is Available