J400GDXU9CUK1 – Galaxy J4 firmware
Build J400GDXU9CUK1 is a feature update for the Galaxy J4 (SM-J400G)
on Android 10. It first appeared on Samsung's servers on Feb 15, 2022 (method) and has reached
4 regions so far. It keeps bootloader bit 9, so downgrading to the previous build J400GDXU9CUJ2 is still possible. Samsung still serves this file.
- Model
- SM-J400G
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 9
- First released
- Feb 15, 2022
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received J400GDXU9CUK1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XNZ | New Zealand | Feb 15, 2022 | day 0 | J400GDXU9CUK1/J400GOLO9CUK1/J400GDXU9CUJ1 |
VNZ | New Zealand (Vodafone) | Feb 15, 2022 | day 0 | J400GDXU9CUK1/J400GOLO9CUK1/J400GDXU9CUJ1 |
TNZ | New Zealand (Spark) | Feb 15, 2022 | day 0 | J400GDXU9CUK1/J400GOLO9CUK1/J400GDXU9CUJ1 |
NZC | New Zealand | Feb 15, 2022 | day 0 | J400GDXU9CUK1/J400GOLO9CUK1/J400GDXU9CUJ1 |
Download and release notes
samloader download -m SM-J400G -r XNZ -v J400GDXU9CUK1/J400GOLO9CUK1/J400GDXU9CUJ1Samsung's release notes and security patch level for this update: SM-J400G / XNZ on doc.samsungmobile.com. What each part of the build number means: decode J400GDXU9CUK1.