Samsung Galaxy Win (SCH-I869) Firmware Overview
The archive lists 2 official builds for the Samsung Galaxy Win across 1 region (CSC). The newest one is I869KESANH2, released September 24, 2014 with Android Bean.
How to Flash SCH-I869 Firmware
Put the Samsung Galaxy Win 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.