S9180ZHU8GZIF – Galaxy S23 Ultra firmware
Build S9180ZHU8GZIF is a feature update for the Galaxy S23 Ultra (SM-S9180)
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 8, so downgrading to the previous build S9180ZHS8FZI1 is still possible. Samsung still serves this file.
- Model
- SM-S9180
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 8
- First released
- Oct 21, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received S9180ZHU8GZIF, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Oct 21, 2026 | day 0 | S9180ZHU8GZIF/S9180OZS8GZIF/S9180ZCU8GZIF |
TGY | Hong Kong | Oct 21, 2026 | day 0 | S9180ZHU8GZIF/S9180OZS8GZIF/S9180ZCU8GZIF |
Download and release notes
samloader download -m SM-S9180 -r BRI -v S9180ZHU8GZIF/S9180OZS8GZIF/S9180ZCU8GZIFSamsung's release notes and security patch level for this update: SM-S9180 / BRI on doc.samsungmobile.com. What each part of the build number means: decode S9180ZHU8GZIF.