Samsung Galaxy 2013 (GT-B9388) Firmware Overview
The archive lists 2 official builds for the Samsung Galaxy 2013 across 1 region (CSC). The newest one is B9388ZMAMB1, released February 15, 2013 with Android Cream.
How to Flash GT-B9388 Firmware
Put the Samsung Galaxy 2013 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.