Samsung Galaxy Mega 6.3 (TD-SCDMA) (GT-I9208) Firmware Overview
The archive lists 3 official builds for the Samsung Galaxy Mega 6.3 (TD-SCDMA) across 1 region (CSC). The newest one is I9208ZMUCNF1, released June 19, 2014 with Android Bean.
How to Flash GT-I9208 Firmware
Put the Samsung Galaxy Mega 6.3 (TD-SCDMA) 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.