Samsung Galaxy Trend DUOS (GT-S7392) Firmware Overview
What is the latest GT-S7392 firmware?
S7392XPUANL1, released February 4, 2015 for region OPT with Android 4.1.2. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Trend DUOS still getting updates?
Most likely not: there has been no new firmware since February 2015, so Android 4.1.2 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
GT-S7392 firmware for region OPT
How to Flash GT-S7392 Firmware
Put the Samsung Galaxy Trend 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.