Samsung Galaxy S Lightray R940 has display Size 4.3 Inches, operating system Android 2.3. The device has ram 0.4 GB too, card support is microSD, up to 32 GB (dedicated slot), 16 GB included, it has 1.4 GB hard disk. Back camera 8 MP is awesome, front camera 1.3 MP is also not bad. Galaxy S Lightray R940 has power storage, Up to 3 h 30 min. Device status is Available