J400GDXU8CUF2 – Galaxy J4 firmware
Build J400GDXU8CUF2 is a feature update for the Galaxy J4 (SM-J400G)
on Android 10. It first appeared on Samsung's servers on Jul 2, 2021 (method) and has reached
5 regions so far. It keeps bootloader bit 8, so downgrading to the previous build J400GDXS8CUD3 is still possible. Samsung still serves this file.
- Model
- SM-J400G
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 8
- First released
- Jul 2, 2021
- Regions
- 5
Rollout timeline by region
The date each region code (CSC) first received J400GDXU8CUF2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Jul 2, 2021 | day 0 | J400GDXU8CUF2/J400GOLO8CUF2/J400GDXU8CUF1 |
XNZ | New Zealand | Jul 2, 2021 | day 0 | J400GDXU8CUF2/J400GOLO8CUF2/J400GDXU8CUF1 |
GLB | Philippines (Globe) | Jul 4, 2021 | +2 days | J400GDXU8CUF2/J400GOLO8CUF2/J400GDXU8CUF1 |
SMA | Philippines | Jul 4, 2021 | +2 days | J400GDXU8CUF2/J400GOLO8CUF2/J400GDXU8CUF1 |
XTC | Philippines | Jul 4, 2021 | +2 days | J400GDXU8CUF2/J400GOLO8CUF2/J400GDXU8CUF1 |
Download and release notes
samloader download -m SM-J400G -r BRI -v J400GDXU8CUF2/J400GOLO8CUF2/J400GDXU8CUF1Samsung's release notes and security patch level for this update: SM-J400G / BRI on doc.samsungmobile.com. What each part of the build number means: decode J400GDXU8CUF2.