Samsung Galaxy Fame DUOS (GT-S6812B) Firmware Overview
What is the latest GT-S6812B firmware?
S6812BVJANG1, released September 4, 2014 for region ZTO with Android 4.1–4.3. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Fame DUOS still getting updates?
Most likely not: there has been no new firmware since September 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-S6812B firmware for region ZTO
How to Flash GT-S6812B Firmware
Put the Samsung Galaxy Fame 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.