T865XXU6DZB1 – Galaxy Tab S6 firmware
Build T865XXU6DZB1 is a feature update for the Galaxy Tab S6 (SM-T865)
on Android 12 (One UI 4). It first appeared on Samsung's servers on Apr 26, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 6, so downgrading to the previous build T865XXU6DXE2 is still possible. Samsung still serves this file.
- Model
- SM-T865
- Android
- Android 12
- Type
- Feature
- Bootloader bit
- 6
- First released
- Apr 26, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received T865XXU6DZB1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
TGY | Hong Kong | Apr 26, 2026 | day 0 | T865XXU6DZB1/T865TGY6DZB1/T865XXU6DXE3 |
Download and release notes
samloader download -m SM-T865 -r TGY -v T865XXU6DZB1/T865TGY6DZB1/T865XXU6DXE3
Samsung's release notes and security patch level for this update: SM-T865 / TGY on doc.samsungmobile.com. What each part of the build number means: decode T865XXU6DZB1.