Samsung Galaxy Express I437 has display Size 4.5 Inches, operating system Android 4.0, up to 4.1. The device has ram 1 GB too, card support is microSD, up to 32 GB (dedicated slot), it has 8 GB hard disk. Back camera 5 MP is awesome, front camera 1.3 MP is also not bad. Galaxy Express I437 has power storage, Up to 14 h. Device status is Available