S916USQS8FZG1 – Galaxy S23+ firmware
Build S916USQS8FZG1 is a security update for the Galaxy S23+ (SM-S916U)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jul 27, 2026 (method) and has reached
9 regions so far. It keeps bootloader bit 8, so downgrading to the previous build S916USQS8FZF5 is still possible. Samsung still serves this file.
- Model
- SM-S916U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 8
- First released
- Jul 27, 2026
- Regions
- 9
Rollout timeline by region
The date each region code (CSC) first received S916USQS8FZG1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | Jul 27, 2026 | day 0 | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
DSA | USA | Jul 30, 2026 | +3 days | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
DSH | USA | Jul 30, 2026 | +3 days | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
TMB | USA (T-Mobile) | Jul 30, 2026 | +3 days | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
TMK | USA (MetroPCS) | Jul 30, 2026 | +3 days | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
USC | USA (US Cellular) | Jul 30, 2026 | +3 days | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
CCT | USA (Comcast) | Aug 2, 2026 | +6 days | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
VZW | USA (Verizon) | Aug 2, 2026 | +6 days | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
XAA | USA (unlocked) | Aug 2, 2026 | +6 days | S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1 |
Download and release notes
samloader download -m SM-S916U -r XAA -v S916USQS8FZG1/S916UOYN8FZG1/S916USQS8FZG1Samsung's release notes and security patch level for this update: SM-S916U / XAA on doc.samsungmobile.com. What each part of the build number means: decode S916USQS8FZG1.