
Samsung Galaxy Tab E 8.0
Every official firmware build for SM-T3777, 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/T3777ZTS1ARL1
Specifications of SM-T377, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
- Other bug fixes
ㆍFixed the issue that System time is displayed incorrect when the device is idle for a period of time.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
- Added new feature
ㆍPWS(public warning system) has been enabled.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

SM-T377V

SM-T378V

SM-T387V

SM-T365Y

SM-T385S
You can find the firmware on the model: SM-T3777 page.
Yes, all firmware files for SM-T3777 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T3777, 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 SM-T3777.