
Samsung Galaxy Tab A 7.0
The latest firmware for Samsung Galaxy Tab A 7.0 (SM-T280) is T280XXU0ARL3 with Android 5.1.1 (Lollipop), released on February 20, 2019 for 10 regions (CSC). Every official firmware build for SM-T280, 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/T280XXU0ARL3
All 48 builds in our database run Android 5.1.1 (Lollipop). The newest build, T280XXU0ARL3, was released on February 20, 2019. No new build has appeared for 93 months, so regular updates for this model have most likely ended.
· The security of your device has been improved.
- Improved performance
ㆍThe Stability of GPS has been improved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.
ㆍThe stability of FM Radio has been improved.
ㆍThe security of your device has been improved.
ㆍDevice stability improvements, bug fixes.
ㆍNew and / or enhanced features.
ㆍFurther improvements to performance.
Box codes of SM-T280 for different colors and markets. Firmware is chosen by the model code SM-T280 and your region (CSC), not by the SKU.

SM-T287

SM-T290N

SM-T387V

SM-T385S

SM-T297
The newest firmware for SM-T280 runs Android 5.1.1 (Lollipop): build T280XXU0ARL3, released on February 20, 2019.
The latest build for SM-T280, T280XXU0ARL3, was released on February 20, 2019 (7 years ago).
SM-T280 has had no new firmware for 93 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T280 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T280, 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-T280.