G390FXXU6CZC3 – Galaxy Xcover 4 firmware
Build G390FXXU6CZC3 is a feature update for the Galaxy Xcover 4 (SM-G390F)
on Android 9. It first appeared on Samsung's servers on Apr 15, 2026 (method) and has reached
3 regions so far. It keeps bootloader bit 6, so downgrading to the previous build G390FXXU6CTJ4 is still possible. Samsung still serves this file.
- Model
- SM-G390F
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 6
- First released
- Apr 15, 2026
- Regions
- 3
Rollout timeline by region
The date each region code (CSC) first received G390FXXU6CZC3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
AUT | Switzerland | Apr 15, 2026 | day 0 | G390FXXU6CZC3/G390FAUT6CZC4/G390FXXU6CTG1 |
PHN | Netherlands | Apr 15, 2026 | day 0 | G390FXXU6CZC3/G390FPHN6CZC4/G390FXXU6CTG1 |
NEE | Nordic countries | Apr 22, 2026 | +7 days | G390FXXU6CZC3/G390FNEE6CZC4/G390FXXU6CVB1 |
Download and release notes
samloader download -m SM-G390F -r AUT -v G390FXXU6CZC3/G390FAUT6CZC4/G390FXXU6CTG1Samsung's release notes and security patch level for this update: SM-G390F / AUT on doc.samsungmobile.com. What each part of the build number means: decode G390FXXU6CZC3.