J105MUBU0ARC1 – Galaxy J1 mini firmware

Build J105MUBU0ARC1 is a feature update for the Galaxy J1 mini (SM-J105M) on Android 5. It first appeared on Samsung's servers on May 27, 2018 (method) and has reached 7 regions so far. It keeps bootloader bit 0, so downgrading to the previous build J105MUBU0ARA1 is still possible. Samsung still serves this file.

Model
SM-J105M
Android
Android 5
Type
Feature
Bootloader bit
0
First released
May 27, 2018
Regions
7

Not yet released in 5 regions that are still on an older build: BVO, TGP, UFN, ZTM, ZVV.

Rollout timeline by region

The date each region code (CSC) first received J105MUBU0ARC1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaMay 27, 2018day 0J105MUBU0ARC1/J105MUUB0ARD1/J105MUBU0ARD1
ZTRBrazil (Oi)Jun 21, 2018+25 daysJ105MUBU0ARC1/J105MZTR0ARD1/J105MUBU0ARD1
UYOUruguayJun 22, 2018+26 daysJ105MUBU0ARC1/J105MUUB0ARD1/J105MUBU0ARD1
ZTABrazil (Claro)Jun 22, 2018+26 daysJ105MUBU0ARC1/J105MZTA0ARD1/J105MUBU0ARA2
TPAPanamaJun 28, 2018+32 daysJ105MUBU0ARC1/J105MUUB0ARD1/J105MUBU0ARD1
TTTTrinidad & TobagoJun 28, 2018+32 daysJ105MUBU0ARC1/J105MUUB0ARD1/J105MUBU0ARD1
UPOUruguayJul 8, 2018+42 daysJ105MUBU0ARC1/J105MUUB0ARD1/J105MUBU0ARD1

Download and release notes

samloader download -m SM-J105M -r ARO -v J105MUBU0ARC1/J105MUUB0ARD1/J105MUBU0ARD1

Samsung's release notes and security patch level for this update: SM-J105M / ARO on doc.samsungmobile.com. What each part of the build number means: decode J105MUBU0ARC1.