F971USQU3AZI8 – Galaxy Z Fold8 firmware
Build F971USQU3AZI8 is a feature update for the Galaxy Z Fold8 (SM-F971U)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Sep 23, 2026 (method) and has reached
2 regions so far. It keeps bootloader bit 3, so downgrading to the previous build F971USQU3AZI5 is still possible. Samsung still serves this file.
- Model
- SM-F971U
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 3
- First released
- Sep 23, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received F971USQU3AZI8, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XAA | USA (unlocked) | Sep 23, 2026 | day 0 | F971USQU3AZI8/F971UOYN3AZI8/F971USQU3AZI8 |
VZW | USA (Verizon) | Sep 23, 2026 | day 0 | F971USQU3AZI8/F971UOYN3AZI8/F971USQU3AZI8 |
Download and release notes
samloader download -m SM-F971U -r XAA -v F971USQU3AZI8/F971UOYN3AZI8/F971USQU3AZI8Samsung's release notes and security patch level for this update: SM-F971U / XAA on doc.samsungmobile.com. What each part of the build number means: decode F971USQU3AZI8.