X826NKOU7DZE3 – Galaxy Tab S10+ 5G firmware
Build X826NKOU7DZE3 is a feature update for the Galaxy Tab S10+ 5G (SM-X826N)
on Android 16 (One UI 8). It first appeared on Samsung's servers on May 25, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 7, so downgrading to the previous build X826NKOS7CZD3 is still possible. Samsung still serves this file.
- Model
- SM-X826N
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 7
- First released
- May 25, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received X826NKOU7DZE3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | May 25, 2026 | day 0 | X826NKOU7DZE3/X826NKOO7DZE3/X826NKOU7DZD7 |
Download and release notes
samloader download -m SM-X826N -r KOO -v X826NKOU7DZE3/X826NKOO7DZE3/X826NKOU7DZD7Samsung's release notes and security patch level for this update: SM-X826N / KOO on doc.samsungmobile.com. What each part of the build number means: decode X826NKOU7DZE3.