
Samsung Galaxy Note 10.1 2014 Edition
The latest firmware for Samsung Galaxy Note 10.1 2014 Edition (SM-P607T) is P607TUVUBOI2 with Android 5.1.1 (Lollipop), released on September 8, 2015 for 1 region (CSC). Every official firmware build for SM-P607T, 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/P607TUVUBOI2
SM-P607T started on Android 4 and has received 1 major Android upgrade; it now runs Android 5.1.1 (Lollipop). The newest build, P607TUVUBOI2, was released on September 8, 2015. No new build has appeared for 135 months, so regular updates for this model have most likely ended.
Box codes of SM-P607T for different colors and markets. Firmware is chosen by the model code SM-P607T and your region (CSC), not by the SKU.

SM-P580X

SM-P610X

SM-P620

SM-P605V

SM-P605L

SM-P605K

SM-P625

SM-P907A
The newest firmware for SM-P607T runs Android 5.1.1 (Lollipop): build P607TUVUBOI2, released on September 8, 2015.
The latest build for SM-P607T, P607TUVUBOI2, was released on September 8, 2015 (11 years ago).
SM-P607T has had no new firmware for 135 months, so regular updates have most likely ended.
Yes, all firmware files for SM-P607T are 100% official, original, and obtained directly from Samsung servers.
To flash SM-P607T, 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-P607T.