G357FZXXU1AQJ1 – GALAXY ACE4 firmware

Build G357FZXXU1AQJ1 is a feature update for the GALAXY ACE4 (SM-G357FZ) on Android 4. It first appeared on Samsung's servers on Dec 3, 2017 (method) and has reached 7 regions so far. It keeps bootloader bit 1, so downgrading to the previous build G357FZXXU1AQG2 is still possible. Samsung still serves this file.

Model
SM-G357FZ
Android
Android 4
Type
Feature
Bootloader bit
1
First released
Dec 3, 2017
Regions
7

Rollout timeline by region

The date each region code (CSC) first received G357FZXXU1AQJ1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
COSGreece (Cosmote)Dec 3, 2017day 0G357FZXXU1AQJ1/G357FZCOS1AQJ1/G357FZXXU1AOG1
CROCroatiaDec 3, 2017day 0G357FZXXU1AQJ1/G357FZCRO1AQJ1/G357FZXXU1AOG1
TMZCzech Republic (T-Mobile)Dec 4, 2017+1 dayG357FZXXU1AQJ1/G357FZTMZ1AQJ1/G357FZXXU1AOG1
TTRTurkey (Turkcell)Dec 4, 2017+1 dayG357FZXXU1AQJ1/G357FZTTR1AQJ1/G357FZXXU1AOG1
TMHHungary (Telekom)Dec 4, 2017+1 dayG357FZXXU1AQJ1/G357FZTMH1AQJ1/G357FZXXU1AOG1
TPLPoland (T-Mobile)Dec 7, 2017+4 daysG357FZXXU1AQJ1/G357FZTPL1AQJ1/G357FZXXU1AOG1
TMSSlovakia (Telekom)Dec 14, 2017+11 daysG357FZXXU1AQJ1/G357FZTMS1AQJ1/G357FZXXU1AOG1

Download and release notes

samloader download -m SM-G357FZ -r COS -v G357FZXXU1AQJ1/G357FZCOS1AQJ1/G357FZXXU1AOG1

Samsung's release notes and security patch level for this update: SM-G357FZ / COS on doc.samsungmobile.com. What each part of the build number means: decode G357FZXXU1AQJ1.