
Samsung Galaxy Tab A
The latest firmware for Samsung Galaxy Tab A (SM-T587P) is T587PVPU3CTG5 with Android 8.1.0 (Oreo), released on July 26, 2020 for 2 regions (CSC). Every official firmware build for SM-T587P, 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/T587PVPU3CTG5
SM-T587P started on Android 7 and has received 1 major Android upgrade; it now runs Android 8.1.0 (Oreo). The newest build, T587PVPU3CTG5, was released on July 26, 2020. No new build has appeared for 76 months, so regular updates for this model have most likely ended.
· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.
Box codes of SM-T587P for different colors and markets. Firmware is chosen by the model code SM-T587P and your region (CSC), not by the SKU.

SM-T290N

SM-T537A

SM-T800X

SM-T807V

SM-T230X

SM-T230NY

SM-T237V

SM-T232
The newest firmware for SM-T587P runs Android 8.1.0 (Oreo): build T587PVPU3CTG5, released on July 26, 2020.
The latest build for SM-T587P, T587PVPU3CTG5, was released on July 26, 2020 (6 years ago).
SM-T587P has had no new firmware for 76 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T587P are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T587P, 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-T587P.