Celkon A42 has display Size 4.0", operating system Android 4.2.2. The device has ram 512 GB too, card support is microSD, up to 32 GB, it has 4 GB, 512 MB RAM hard disk. Back camera 5 MP is awesome, front camera 1.3 MP is also not bad. A42 has power storage, Up to 5 h. Device status is Available