F956USQS4DZH5 – Galaxy Z Fold6 firmware
Build F956USQS4DZH5 is a security update for the Galaxy Z Fold6 (SM-F956U)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 31, 2026 (method) and has reached
7 regions so far. It keeps bootloader bit 4, so downgrading to the previous build F956USQS4DZG3 is still possible. Samsung still serves this file.
- Model
- SM-F956U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 4
- First released
- Aug 31, 2026
- Regions
- 7
Rollout timeline by region
The date each region code (CSC) first received F956USQS4DZH5, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XAA | USA (unlocked) | Aug 31, 2026 | day 0 | F956USQS4DZH5/F956UOYN4DZH5/F956USQS4DZH5 |
TMB | USA (T-Mobile) | Aug 31, 2026 | day 0 | F956USQS4DZH5/F956UOYN4DZH5/F956USQS4DZH5 |
TMK | USA (MetroPCS) | Aug 31, 2026 | day 0 | F956USQS4DZH5/F956UOYN4DZH5/F956USQS4DZH5 |
USC | USA (US Cellular) | Aug 31, 2026 | day 0 | F956USQS4DZH5/F956UOYN4DZH5/F956USQS4DZH5 |
VZW | USA (Verizon) | Aug 31, 2026 | day 0 | F956USQS4DZH5/F956UOYN4DZH5/F956USQS4DZH5 |
ATT | USA (AT&T) | Aug 31, 2026 | day 0 | F956USQS4DZH5/F956UOYN4DZH5/F956USQS4DZH5 |
CCT | USA (Comcast) | Sep 1, 2026 | +1 day | F956USQS4DZH5/F956UOYN4DZH5/F956USQS4DZH5 |
Download and release notes
samloader download -m SM-F956U -r XAA -v F956USQS4DZH5/F956UOYN4DZH5/F956USQS4DZH5Samsung's release notes and security patch level for this update: SM-F956U / XAA on doc.samsungmobile.com. What each part of the build number means: decode F956USQS4DZH5.