J260MUBSDAUJ2 – Galaxy J2 Core firmware

Build J260MUBSDAUJ2 is a security update for the Galaxy J2 Core (SM-J260M) on Android 8. It first appeared on Samsung's servers on Dec 7, 2021 (method) and has reached 2 regions so far. It keeps bootloader bit 13, so downgrading to the previous build J260MUBSDAUJ4 is still possible. Samsung still serves this file.

Model
SM-J260M
Android
Android 8
Type
Security
Bootloader bit
13
First released
Dec 7, 2021
Regions
2

Not yet released in 35 regions that are still on an older build: ARO, BVO, CDR, CGU, CHL, CHO, CHT, COB, COL, COM, COO, CRC, CTI, ECO and 21 more.

Rollout timeline by region

The date each region code (CSC) first received J260MUBSDAUJ2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
DORDominican RepublicDec 7, 2021day 0J260MUBSDAUJ2/J260MDORDATL1/J260MUBSDAUJ2
JDIJamaica (Digicel)Dec 7, 2021day 0J260MUBSDAUJ2/J260MJDIDATL1/J260MUBSDAUJ2

Download and release notes

samloader download -m SM-J260M -r DOR -v J260MUBSDAUJ2/J260MDORDATL1/J260MUBSDAUJ2

Samsung's release notes and security patch level for this update: SM-J260M / DOR on doc.samsungmobile.com. What each part of the build number means: decode J260MUBSDAUJ2.