F971BXXS3AZIK – Galaxy Z Fold8 firmware
Build F971BXXS3AZIK is a security update for the Galaxy Z Fold8 (SM-F971B)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 12, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 3, so downgrading to the previous build F971BXXU3AZI7 is still possible. Samsung still serves this file.
- Model
- SM-F971B
- Android
- Android 17
- Type
- Security
- Bootloader bit
- 3
- First released
- Oct 12, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received F971BXXS3AZIK, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
EGY | Egypt | Oct 12, 2026 | day 0 | F971BXXS3AZIK/F971BOXM3AZIK/F971BXXU3AZI7 |
Download and release notes
samloader download -m SM-F971B -r EGY -v F971BXXS3AZIK/F971BOXM3AZIK/F971BXXU3AZI7
Samsung's release notes and security patch level for this update: SM-F971B / EGY on doc.samsungmobile.com. What each part of the build number means: decode F971BXXS3AZIK.