J100MUUBU0AQB2 – GALAXY J1 firmware

Build J100MUUBU0AQB2 is a feature update for the GALAXY J1 (SM-J100MU) on Android 4. It first appeared on Samsung's servers on Mar 6, 2017 (method) and has reached 7 regions so far. It keeps bootloader bit 0, so downgrading to the previous build J100MUUBU0APF1 is still possible. Samsung still serves this file.

Model
SM-J100MU
Android
Android 4
Type
Feature
Bootloader bit
0
First released
Mar 6, 2017
Regions
7

Rollout timeline by region

The date each region code (CSC) first received J100MUUBU0AQB2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
COOColombiaMar 6, 2017day 0J100MUUBU0AQB2/J100MUUUB0AQB2/J100MUUBU0AQB1
TPAPanamaMar 6, 2017day 0J100MUUBU0AQB2/J100MUUUB0AQB2/J100MUUBU0AQB1
TTTTrinidad & TobagoMar 9, 2017+3 daysJ100MUUBU0AQB2/J100MUUUB0AQB2/J100MUUBU0AQB1
UPOUruguayMar 16, 2017+10 daysJ100MUUBU0AQB2/J100MUUUB0AQB2/J100MUUBU0AQB1
BVOBoliviaMar 16, 2017+10 daysJ100MUUBU0AQB2/J100MUUUB0AQB2/J100MUUBU0AQB1
AROArgentinaMar 18, 2017+12 daysJ100MUUBU0AQB2/J100MUUUB0AQB2/J100MUUBU0AQB1
UFNArgentina (Movistar)Mar 26, 2017+20 daysJ100MUUBU0AQB2/J100MUTFG0AQB2/J100MUUBU0AQB1

Download and release notes

samloader download -m SM-J100MU -r COO -v J100MUUBU0AQB2/J100MUUUB0AQB2/J100MUUBU0AQB1

Samsung's release notes and security patch level for this update: SM-J100MU / COO on doc.samsungmobile.com. What each part of the build number means: decode J100MUUBU0AQB2.