A5660ZHSDCZHB – Galaxy A56 5G firmware

Build A5660ZHSDCZHB is a security update for the Galaxy A56 5G (SM-A5660) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 2, 2026 (method) and has reached 2 regions so far. It keeps bootloader bit 13, so downgrading to the previous build A5660ZCSDCZHB is still possible. Samsung still serves this file.

Model
SM-A5660
Android
Android 16
Type
Security
Bootloader bit
13
First released
Sep 2, 2026
Regions
2

Rollout timeline by region

The date each region code (CSC) first received A5660ZHSDCZHB, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BRITaiwanSep 2, 2026day 0A5660ZHSDCZHB/A5660OZSDCZHB/A5660ZCSDCZHB
TGYHong KongSep 2, 2026day 0A5660ZHSDCZHB/A5660OZSDCZHB/A5660ZCSDCZHB

Download and release notes

samloader download -m SM-A5660 -r BRI -v A5660ZHSDCZHB/A5660OZSDCZHB/A5660ZCSDCZHB

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 A5660ZHSDCZHB.