F946NTBU6HZIK – Galaxy Z Fold5 firmware
Build F946NTBU6HZIK is a feature update for the Galaxy Z Fold5 (SM-F946N)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 13, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 6, so downgrading to the previous build F946NKSS6GZI2 is still possible. Samsung still serves this file.
- Model
- SM-F946N
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 6
- First released
- Oct 13, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received F946NTBU6HZIK, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Oct 13, 2026 | day 0 | F946NTBU6HZIK/F946NOKT6HZIK/F946NKSU6HZIJ |
Download and release notes
samloader download -m SM-F946N -r KOO -v F946NTBU6HZIK/F946NOKT6HZIK/F946NKSU6HZIJSamsung's release notes and security patch level for this update: SM-F946N / KOO on doc.samsungmobile.com. What each part of the build number means: decode F946NTBU6HZIK.