
Samsung Galaxy Tab3 7.0
The latest firmware for Samsung Galaxy Tab3 7.0 (SM-T217S) is T217SVPUBOH1 with Android 4.4.2 (KitKat), released on August 3, 2015 for 1 region (CSC). Every official firmware build for SM-T217S, 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/T217SVPUBOH1
All 3 builds in our database run Android 4.4.2 (KitKat). The newest build, T217SVPUBOH1, was released on August 3, 2015. No new build has appeared for 136 months, so regular updates for this model have most likely ended.
Box codes of SM-T217S for different colors and markets. Firmware is chosen by the model code SM-T217S and your region (CSC), not by the SKU.

SM-T217T

SM-T210X

SM-T227

SM-T310

SM-T116NY
The newest firmware for SM-T217S runs Android 4.4.2 (KitKat): build T217SVPUBOH1, released on August 3, 2015.
The latest build for SM-T217S, T217SVPUBOH1, was released on August 3, 2015 (11 years ago).
SM-T217S has had no new firmware for 136 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T217S are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T217S, 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-T217S.