
Samsung Galaxy Tab3 8.0
The latest firmware for Samsung Galaxy Tab3 8.0 (SM-T311) is T311UBUBOI1 with Android 4.4.2 (KitKat), released on September 21, 2015 for 4 regions (CSC). Every official firmware build for SM-T311, newest first: one row per build with all regions (CSC) that received it.
All 30 builds in our database run Android 4.4.2 (KitKat). The newest build, T311UBUBOI1, was released on September 21, 2015. No new build has appeared for 135 months, so regular updates for this model have most likely ended.
Box codes of SM-T311 for different colors and markets. Firmware is chosen by the model code SM-T311 and your region (CSC), not by the SKU.
The newest firmware for SM-T311 runs Android 4.4.2 (KitKat): build T311UBUBOI1, released on September 21, 2015.
The latest build for SM-T311, T311UBUBOI1, was released on September 21, 2015 (11 years ago).
SM-T311 has had no new firmware for 135 months, so regular updates have most likely ended.
Yes, all firmware files for SM-T311 are 100% official, original, and obtained directly from Samsung servers.
To flash SM-T311, 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-T311.