Samsung Galaxy Music Duos (GT-S6012) Firmware Overview
What is the latest GT-S6012 firmware?
S6012XXUBMK1, released January 6, 2014 for region SEB with Android 4.1–4.3. The archive holds 3 official builds for this region.
Is the Samsung Galaxy Music Duos still getting updates?
Most likely not: there has been no new firmware since January 2014, so Android 4.1–4.3 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
GT-S6012 firmware for region SEB
How to Flash GT-S6012 Firmware
Put the Samsung Galaxy Music Duos 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.