
Samsung Galaxy Note 10.1 2014 Edition
The latest firmware for Samsung Galaxy Note 10.1 2014 Edition (SM-P605) is P605XXUDOE2 with Android 4.4.2 (KitKat), released on May 11, 2015 for 14 regions (CSC). Every official firmware build for SM-P605, 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/P605XXUDOE2
All 48 builds in our database run Android 4.4.2 (KitKat). The newest build, P605XXUDOE2, was released on May 11, 2015. No new build has appeared for 139 months, so regular updates for this model have most likely ended.
Box codes of SM-P605 for different colors and markets. Firmware is chosen by the model code SM-P605 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-P605 runs Android 4.4.2 (KitKat): build P605XXUDOE2, released on May 11, 2015.
The latest build for SM-P605, P605XXUDOE2, was released on May 11, 2015 (11 years ago).
SM-P605 has had no new firmware for 139 months, so regular updates have most likely ended.
Yes, all firmware files for SM-P605 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-P605, 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-P605.