J260MUBSDAUI4 – Galaxy J2 Core firmware
Build J260MUBSDAUI4 is a security update for the Galaxy J2 Core (SM-J260M)
on Android 8. It first appeared on Samsung's servers on Oct 27, 2021 (method) and has reached
4 regions so far. It keeps bootloader bit 13, so downgrading to the previous build J260MUBSDAUI3 is still possible. Samsung still serves this file.
- Model
- SM-J260M
- Android
- Android 8
- Type
- Security
- Bootloader bit
- 13
- First released
- Oct 27, 2021
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received J260MUBSDAUI4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ZTA | Brazil (Claro) | Oct 27, 2021 | day 0 | J260MUBSDAUI4/J260MZTADATK1/J260MUBSDAUI4 |
ZTR | Brazil (Oi) | Oct 27, 2021 | day 0 | J260MUBSDAUI4/J260MZTRDAUI1/J260MUBSDAUI4 |
ZVV | Brazil (Vivo) | Oct 27, 2021 | day 0 | J260MUBSDAUI4/J260MZVVDAUDE/J260MUBSDAUI4 |
ZTO | Brazil | Oct 27, 2021 | day 0 | J260MUBSDAUI4/J260MZTODATL1/J260MUBSDAUI4 |
Download and release notes
samloader download -m SM-J260M -r ZTA -v J260MUBSDAUI4/J260MZTADATK1/J260MUBSDAUI4Samsung's release notes and security patch level for this update: SM-J260M / ZTA on doc.samsungmobile.com. What each part of the build number means: decode J260MUBSDAUI4.