A5660ZHUEDZJ1 – Galaxy A56 5G firmware

Build A5660ZHUEDZJ1 is a feature update for the Galaxy A56 5G (SM-A5660) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 21, 2026 (method) and has reached 2 regions so far. It keeps bootloader bit 14, so downgrading to the previous build A5660ZHSECZI2 is still possible. Samsung still serves this file.

Model
SM-A5660
Android
Android 17
Type
Feature
Bootloader bit
14
First released
Oct 21, 2026
Regions
2

Rollout timeline by region

The date each region code (CSC) first received A5660ZHUEDZJ1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BRITaiwanOct 21, 2026day 0A5660ZHUEDZJ1/A5660OZSEDZJ1/A5660ZCUEDZJ1
TGYHong KongOct 21, 2026day 0A5660ZHUEDZJ1/A5660OZSEDZJ1/A5660ZCUEDZJ1

Download and release notes

samloader download -m SM-A5660 -r BRI -v A5660ZHUEDZJ1/A5660OZSEDZJ1/A5660ZCUEDZJ1

Samsung's release notes and security patch level for this update: SM-A5660 / BRI on doc.samsungmobile.com. What each part of the build number means: decode A5660ZHUEDZJ1.