Samsung Galaxy Core Advance (GT-I8580) Firmware Overview
What is the latest GT-I8580 firmware?
I8580ZNUAOG1, released September 7, 2015 for region CHU with Android 4.2.2. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Core Advance still getting updates?
Most likely not: there has been no new firmware since September 2015, so Android 4.2.2 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
GT-I8580 firmware for region CHU
How to Flash GT-I8580 Firmware
Put the Samsung Galaxy Core Advance into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.