J120MUBU2ARE1 – Galaxy J1 firmware

Build J120MUBU2ARE1 is a feature update for the Galaxy J1 (SM-J120M) on Android 5. It first appeared on Samsung's servers on May 21, 2018 (method) and has reached 4 regions so far. It keeps bootloader bit 2, so downgrading to the previous build J120MUBU2ARD1 is still possible. Samsung still serves this file.

Model
SM-J120M
Android
Android 5
Type
Feature
Bootloader bit
2
First released
May 21, 2018
Regions
4

Not yet released in 9 regions that are still on an older build: CDR, CGU, COM, COO, CRC, PGU, TPA, TTT, UYO.

Rollout timeline by region

The date each region code (CSC) first received J120MUBU2ARE1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
PNTPanamaMay 21, 2018day 0J120MUBU2ARE1/J120MPNT2ARE1/J120MUBU2ARE1
ZTRBrazil (Oi)Jun 11, 2018+21 daysJ120MUBU2ARE1/J120MZTR2ARE1/J120MUBU2ARE1
COLColombiaJul 12, 2018+52 daysJ120MUBU2ARE1/J120MUWM2ARE1/J120MUBU2ARE1
ZVVBrazil (Vivo)Jul 16, 2018+56 daysJ120MUBU2ARE1/J120MZVV2ARA1/J120MUBU2ARE1

Download and release notes

samloader download -m SM-J120M -r PNT -v J120MUBU2ARE1/J120MPNT2ARE1/J120MUBU2ARE1

Samsung's release notes and security patch level for this update: SM-J120M / PNT on doc.samsungmobile.com. What each part of the build number means: decode J120MUBU2ARE1.