Htc Butterfly 3 has display Size 5.2", operating system Android 5.0, up to 6.0; Sence 7. The device has ram 3 GB too, card support is microSD, up to 256 GB (dedicated slot), it has 32 GB, 3 GB RAM hard disk. Back camera 20.2 MP is awesome, front camera 13 MP is also not bad. Butterfly 3 has power storage, . Device status is Available