J400GDXU8CUF3 – Galaxy J4 firmware
Build J400GDXU8CUF3 is a feature update for the Galaxy J4 (SM-J400G)
on Android 10. It first appeared on Samsung's servers on Aug 9, 2021 (method) and has reached
3 regions so far. It keeps bootloader bit 8, so downgrading to the previous build J400GDXU8CUF2 is still possible. Samsung still serves this file.
- Model
- SM-J400G
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 8
- First released
- Aug 9, 2021
- Regions
- 3
Rollout timeline by region
The date each region code (CSC) first received J400GDXU8CUF3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
NZC | New Zealand | Aug 9, 2021 | day 0 | J400GDXU8CUF3/J400GOLO8CUF2/J400GDXU8CUF1 |
TNZ | New Zealand (Spark) | Aug 9, 2021 | day 0 | J400GDXU8CUF3/J400GOLO8CUF2/J400GDXU8CUF1 |
VNZ | New Zealand (Vodafone) | Aug 9, 2021 | day 0 | J400GDXU8CUF3/J400GOLO8CUF2/J400GDXU8CUF1 |
Download and release notes
samloader download -m SM-J400G -r NZC -v J400GDXU8CUF3/J400GOLO8CUF2/J400GDXU8CUF1Samsung's release notes and security patch level for this update: SM-J400G / NZC on doc.samsungmobile.com. What each part of the build number means: decode J400GDXU8CUF3.