
Samsung Galaxy Tab A 9.7
The latest firmware for Samsung Galaxy Tab A 9.7 (SM-P555) is P555XXS1CTI2 with Android 5.0.2 (Marshmallow), released on October 8, 2020 for 10 regions (CSC). Every official firmware build for SM-P555, 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/P555XXS1CTI2
All 22 builds in our database run Android 5.0.2 (Marshmallow). The newest build, P555XXS1CTI2, was released on October 8, 2020 with the August 2017 security patch. No new build has appeared for 73 months, so regular updates for this model have most likely ended.
• The security of your device has been improved.

SM-P555Y

SM-P550

SM-P355Y

SM-P580X

SM-P588C
The newest firmware for SM-P555 runs Android 5.0.2 (Marshmallow): build P555XXS1CTI2, released on October 8, 2020.
The latest build for SM-P555, P555XXS1CTI2, was released on October 8, 2020 (6 years ago).
SM-P555 has had no new firmware for 73 months, so regular updates have most likely ended.
Yes, all firmware files for SM-P555 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-P555, 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-P555.