S928USQS6DZI1 – Galaxy S24 Ultra firmware
Build S928USQS6DZI1 is a security update for the Galaxy S24 Ultra (SM-S928U)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 29, 2026 (method) and has reached
9 regions so far. It keeps bootloader bit 6, so downgrading to the previous build S928USQS6DZH3 is still possible. Samsung still serves this file.
- Model
- SM-S928U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 6
- First released
- Sep 29, 2026
- Regions
- 9
Rollout timeline by region
The date each region code (CSC) first received S928USQS6DZI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | Sep 29, 2026 | day 0 | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
CCT | USA (Comcast) | Sep 30, 2026 | +1 day | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
VZW | USA (Verizon) | Sep 30, 2026 | +1 day | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
XAA | USA (unlocked) | Sep 30, 2026 | +1 day | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
DSA | USA | Oct 1, 2026 | +2 days | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
DSH | USA | Oct 1, 2026 | +2 days | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
TMB | USA (T-Mobile) | Oct 1, 2026 | +2 days | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
TMK | USA (MetroPCS) | Oct 1, 2026 | +2 days | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
USC | USA (US Cellular) | Oct 1, 2026 | +2 days | S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1 |
Download and release notes
samloader download -m SM-S928U -r XAA -v S928USQS6DZI1/S928UOYN6DZI1/S928USQS6DZI1Samsung's release notes and security patch level for this update: SM-S928U / XAA on doc.samsungmobile.com. What each part of the build number means: decode S928USQS6DZI1.