J415GUBU6BZB1 – Galaxy J4+ firmware
Build J415GUBU6BZB1 is a feature update for the Galaxy J4+ (SM-J415G)
on Android 9. It first appeared on Samsung's servers on Apr 16, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 6, so downgrading to the previous build J415GUBU6BZB2 is still possible. Samsung still serves this file.
- Model
- SM-J415G
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 6
- First released
- Apr 16, 2026
- Regions
- 1
Not yet released in 37 regions that are still on an older build: ARO, BVO, CDR, CGU, CHE, CHL, CHO, CHT, CHX, COB, COL, COO, CRC, CTI and 23 more.
Rollout timeline by region
The date each region code (CSC) first received J415GUBU6BZB1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
IUS | Mexico (AT&T) | Apr 16, 2026 | day 0 | J415GUBU6BZB1/J415GOWC6BZB1/J415GUBU6BZB1 |
Download and release notes
samloader download -m SM-J415G -r IUS -v J415GUBU6BZB1/J415GOWC6BZB1/J415GUBU6BZB1Samsung's release notes and security patch level for this update: SM-J415G / IUS on doc.samsungmobile.com. What each part of the build number means: decode J415GUBU6BZB1.