Lg L40 Dual D170 has display Size 3.5", operating system Android 4.4.2; LG UI 3. The device has ram 512 GB too, card support is microSD, up to 32 GB (dedicated slot), it has 4 GB, 512 MB RAM hard disk. Back camera 3.15 MP is awesome, front camera No is also not bad. L40 Dual D170 has power storage, . Device status is Available