J120FXXU2ARK1 – Galaxy J1 firmware

Build J120FXXU2ARK1 is a feature update for the Galaxy J1 (SM-J120F) on Android 5. It first appeared on Samsung's servers on Jan 24, 2019 (method) and has reached 3 regions so far. It keeps bootloader bit 2, so downgrading to the previous build J120FXXU2ARD2 is still possible. Samsung still serves this file.

Model
SM-J120F
Android
Android 5
Type
Feature
Bootloader bit
2
First released
Jan 24, 2019
Regions
3

Not yet released in 20 regions that are still on an older build: ACR, AFG, AFR, CEL, ILO, KSA, LYS, MID, MWD, PAK, PCL, PTR, TGY, THR and 6 more.

Rollout timeline by region

The date each region code (CSC) first received J120FXXU2ARK1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
CAUCaucasusJan 24, 2019day 0J120FXXU2ARK1/J120FOXE2ARK1/J120FXXU2ARK1
SKZKazakhstanJan 24, 2019day 0J120FXXU2ARK1/J120FOXE2ARK1/J120FXXU2ARK1
SERRussiaFeb 1, 2019+8 daysJ120FXXU2ARK1/J120FOXE2ARK1/J120FXXU2ARK1

Download and release notes

samloader download -m SM-J120F -r CAU -v J120FXXU2ARK1/J120FOXE2ARK1/J120FXXU2ARK1

Samsung's release notes and security patch level for this update: SM-J120F / CAU on doc.samsungmobile.com. What each part of the build number means: decode J120FXXU2ARK1.