J410GUBU1AZB2 – Galaxy J4 Core firmware
Build J410GUBU1AZB2 is a feature update for the Galaxy J4 Core (SM-J410G)
on Android 8. It first appeared on Samsung's servers on Apr 16, 2026 (method) and has reached
2 regions so far. It keeps bootloader bit 1, so downgrading to the previous build J410GUBS1AVK2 is still possible. Samsung still serves this file.
- Model
- SM-J410G
- Android
- Android 8
- Type
- Feature
- Bootloader bit
- 1
- First released
- Apr 16, 2026
- Regions
- 2
Not yet released in 25 regions that are still on an older build: ARO, CDR, CHE, CHL, CHO, CHX, COM, COO, CRC, CTI, DOR, GTO, IUS, PET and 11 more.
Rollout timeline by region
The date each region code (CSC) first received J410GUBU1AZB2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
MXO | Mexico | Apr 16, 2026 | day 0 | J410GUBU1AZB2/J410GOWO1AZC4/J410GUBU1ATI1 |
TMM | Myanmar | Apr 16, 2026 | day 0 | J410GUBU1AZB2/J410GTMM1AZB2/J410GUBU1ATI1 |
Download and release notes
samloader download -m SM-J410G -r MXO -v J410GUBU1AZB2/J410GOWO1AZC4/J410GUBU1ATI1Samsung's release notes and security patch level for this update: SM-J410G / MXO on doc.samsungmobile.com. What each part of the build number means: decode J410GUBU1AZB2.