J400MUBUECWC1 – Galaxy J4 firmware
Build J400MUBUECWC1 is a feature update for the Galaxy J4 (SM-J400M)
on Android 10. It first appeared on Samsung's servers on Mar 11, 2023 (method) and has reached
4 regions so far. It keeps bootloader bit 14, so downgrading to the previous build J400MUBUECVH2 is still possible. Samsung still serves this file.
- Model
- SM-J400M
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 14
- First released
- Mar 11, 2023
- Regions
- 4
Not yet released in 31 regions that are still on an older build: ARO, BVO, CDR, CGU, CHE, CHL, CHO, CHT, CHX, COB, COL, COM, COO, CTI and 17 more.
Rollout timeline by region
The date each region code (CSC) first received J400MUBUECWC1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
IUS | Mexico (AT&T) | Mar 11, 2023 | day 0 | J400MUBUECWC1/J400MOWCECVE1/J400MUBUECWC1 |
MXO | Mexico | Mar 11, 2023 | day 0 | J400MUBUECWC1/J400MOWOECUL5/J400MUBUECWC1 |
TMM | Myanmar | Mar 11, 2023 | day 0 | J400MUBUECWC1/J400MOWTECVE2/J400MUBUECWC1 |
TCE | Mexico (Telcel) | Mar 13, 2023 | +2 days | J400MUBUECWC1/J400MOWAECUL5/J400MUBUECWC1 |
Download and release notes
samloader download -m SM-J400M -r IUS -v J400MUBUECWC1/J400MOWCECVE1/J400MUBUECWC1Samsung's release notes and security patch level for this update: SM-J400M / IUS on doc.samsungmobile.com. What each part of the build number means: decode J400MUBUECWC1.