
Samsung Galaxy Trend DUOS
The latest firmware for Samsung Galaxy Trend DUOS (GT-S7392) is S7392XXUAPA2 with Android 4.1.2 (Jelly), released on January 14, 2016 for 1 region (CSC). Every official firmware build for GT-S7392, newest first: one row per build with all regions (CSC) that received it.
Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/S7392XXUAPA2
All 29 builds in our database run Android 4.1.2 (Jelly). The newest build, S7392XXUAPA2, was released on January 14, 2016. No new build has appeared for 131 months, so regular updates for this model have most likely ended.
Box codes of GT-S7392 for different colors and markets. Firmware is chosen by the model code GT-S7392 and your region (CSC), not by the SKU.

GT-S7508

GT-S6812

GT-S6500L

GT-S5690L

GT-S5670
The newest firmware for GT-S7392 runs Android 4.1.2 (Jelly): build S7392XXUAPA2, released on January 14, 2016.
The latest build for GT-S7392, S7392XXUAPA2, was released on January 14, 2016 (10 years ago).
GT-S7392 has had no new firmware for 131 months, so regular updates have most likely ended.
Yes, all firmware files for GT-S7392 are 100% official, original, and obtained directly from Samsung servers.
To flash GT-S7392, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing GT-S7392.