
Samsung Galaxy Tab A (2016) with S Pen
The latest firmware for Samsung Galaxy Tab A (2016) with S Pen (SM-P587) is P587JXS1CTL1 with Android 8.1.0 (Oreo), released on January 6, 2021 for 1 region (CSC). Every official firmware build for SM-P587, 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/P587JXS1CTL1
SM-P587 started on Android 7 and has received 1 major Android upgrade; it now runs Android 8.1.0 (Oreo). The newest build, P587JXS1CTL1, was released on January 6, 2021 with the November 2018 security patch. No new build has appeared for 70 months, so regular updates for this model have most likely ended.
Specifications of SM-P587N, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
• The security of your device has been improved.
Box codes of SM-P587 for different colors and markets. Firmware is chosen by the model code SM-P587 and your region (CSC), not by the SKU.

SM-P580X

SM-P588C

SM-P555Y

SM-P550

SM-P355Y
The newest firmware for SM-P587 runs Android 8.1.0 (Oreo): build P587JXS1CTL1, released on January 6, 2021.
The latest build for SM-P587, P587JXS1CTL1, was released on January 6, 2021 (5 years ago).
SM-P587 has had no new firmware for 70 months, so regular updates have most likely ended.
Yes, all firmware files for SM-P587 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-P587, 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-P587.