X820XXUBEZJ5 – Galaxy Tab S10+ firmware
Build X820XXUBEZJ5 is a feature update for the Galaxy Tab S10+ (SM-X820)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 4, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 11, so downgrading to the previous build X820XXSBDZI2 is still possible. Samsung still serves this file.
- Model
- SM-X820
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 11
- First released
- Nov 4, 2026
- Regions
- 1
Not yet released in 17 regions that are still on an older build: BNG, BRI, CAU, EUX, EUY, ILO, INS, MXO, TGY, TUR, XAC, XAR, XID, XJP and 3 more.
Rollout timeline by region
The date each region code (CSC) first received X820XXUBEZJ5, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Nov 4, 2026 | day 0 | X820XXUBEZJ5/X820OXMBEZJ5/X820XXUBEZJ5 |
Download and release notes
samloader download -m SM-X820 -r KOO -v X820XXUBEZJ5/X820OXMBEZJ5/X820XXUBEZJ5Samsung's release notes and security patch level for this update: SM-X820 / KOO on doc.samsungmobile.com. What each part of the build number means: decode X820XXUBEZJ5.