F7310ZSU9HZIJ – Galaxy Z Flip5 firmware
Build F7310ZSU9HZIJ is a feature update for the Galaxy Z Flip5 (SM-F7310)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 21, 2026 (method) and has reached
2 regions so far. It keeps bootloader bit 9, so downgrading to the previous build F7310TSU9HZIJ is still possible. Samsung still serves this file.
- Model
- SM-F7310
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 9
- First released
- Oct 21, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received F7310ZSU9HZIJ, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Oct 21, 2026 | day 0 | F7310ZSU9HZIJ/F7310OZS9HZIJ/F7310ZCU9HZIJ |
TGY | Hong Kong | Oct 21, 2026 | day 0 | F7310ZSU9HZIJ/F7310OZS9HZIJ/F7310ZCU9HZIJ |
Download and release notes
samloader download -m SM-F7310 -r BRI -v F7310ZSU9HZIJ/F7310OZS9HZIJ/F7310ZCU9HZIJSamsung'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 F7310ZSU9HZIJ.