
Samsung Galaxy Tab A7
The latest firmware for Samsung Galaxy Tab A7 (SM-T509) is T509XXS3AXL1 with Android 12, released on December 26, 2024 for 2 regions (CSC). Every official firmware build for SM-T509, 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/T509XXS3AXL1
All 13 builds in our database run Android 12. The newest build, T509XXS3AXL1, was released on December 26, 2024 with the October 2024 security patch. That patch (SMR Oct-2024) fixes 42 vulnerabilities, 7 of them critical. No new build has appeared for 22 months, so regular updates for this model have most likely ended.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
• The security of your device has been improved.
• Security
The device is protected with improved security.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
• The security of your device has been improved.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
• The security of your device has been improved.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
Box codes of SM-T509 for different colors and markets. Firmware is chosen by the model code SM-T509 and your region (CSC), not by the SKU.

SM-T503

SM-T517P

SM-T707V

SM-T705W

SM-T525
The newest firmware for SM-T509 runs Android 12: build T509XXS3AXL1, released on December 26, 2024.
The latest build for SM-T509, T509XXS3AXL1, was released on December 26, 2024 (1 year ago).
SM-T509 has had no new firmware for 22 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T509 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T509, 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-T509.