Samsung Galaxy Star Duos (GT-S5283B) Firmware Overview
The archive lists 2 official builds for the Samsung Galaxy Star Duos across 1 region (CSC). The newest one is S5283BVJANH1, released June 30, 2015 with Android Bean.
How to Flash GT-S5283B Firmware
Put the Samsung Galaxy Star Duos into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with the same or a higher Bit than the one installed — a lower bootloader binary will be rejected.