F7310ZSS9GZI1 – Galaxy Z Flip5 firmware
Build F7310ZSS9GZI1 is a security update for the Galaxy Z Flip5 (SM-F7310)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 29, 2026 (method) and has reached
2 regions so far. It keeps bootloader bit 9, so downgrading to the previous build F7310ZCS9GZI1 is still possible. Samsung still serves this file.
- Model
- SM-F7310
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 9
- First released
- Sep 29, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received F7310ZSS9GZI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Sep 29, 2026 | day 0 | F7310ZSS9GZI1/F7310OZS9GZI1/F7310ZCS9GZI1 |
TGY | Hong Kong | Sep 29, 2026 | day 0 | F7310ZSS9GZI1/F7310OZS9GZI1/F7310ZCS9GZI1 |
Download and release notes
samloader download -m SM-F7310 -r BRI -v F7310ZSS9GZI1/F7310OZS9GZI1/F7310ZCS9GZI1
Samsung's release notes and security patch level for this update: SM-F7310 / BRI on doc.samsungmobile.com. What each part of the build number means: decode F7310ZSS9GZI1.