X828USQS7CZD8 – Galaxy Tab S10+ 5G firmware
Build X828USQS7CZD8 is a security update for the Galaxy Tab S10+ 5G (SM-X828U)
on Android 16 (One UI 8). It first appeared on Samsung's servers on May 21, 2026 (method) and has reached
4 regions so far. It keeps bootloader bit 7, so downgrading to the previous build X828USQS7CZB5 is still possible. Samsung still serves this file.
- Model
- SM-X828U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 7
- First released
- May 21, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received X828USQS7CZD8, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | May 21, 2026 | day 0 | X828USQS7CZD8/X828UOYN7CZD8/X828USQS7CZD8 |
TMB | USA (T-Mobile) | May 25, 2026 | +4 days | X828USQS7CZD8/X828UOYN7CZD8/X828USQS7CZD8 |
TMK | USA (MetroPCS) | May 25, 2026 | +4 days | X828USQS7CZD8/X828UOYN7CZD8/X828USQS7CZD8 |
USC | USA (US Cellular) | Jun 2, 2026 | +12 days | X828USQS7CZD8/X828UOYN7CZD8/X828USQS7CZD8 |
Download and release notes
samloader download -m SM-X828U -r ATT -v X828USQS7CZD8/X828UOYN7CZD8/X828USQS7CZD8Samsung's release notes and security patch level for this update: SM-X828U / ATT on doc.samsungmobile.com. What each part of the build number means: decode X828USQS7CZD8.