Zte Blade A520 has display Size 5.0", operating system Android 7.0. The device has ram 2 GB too, card support is microSD, up to 128 GB (uses SIM 2 slot), it has 16 GB, 2 GB RAM or 8 GB, 1 GB RAM hard disk. Back camera 8 MP is awesome, front camera 8 MP is also not bad. Blade A520 has power storage, . Device status is Available