A5660ZCSECZJ1 – Galaxy A56 5G firmware
Build A5660ZCSECZJ1 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 Nov 3, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 14, so downgrading to the previous build A5660ZHUEDZJ1 is still possible. Samsung still serves this file.
- Model
- SM-A5660
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 14
- First released
- Nov 3, 2026
- Regions
- 1
Not yet released in 2 regions that are still on an older build: BRI, TGY.
Rollout timeline by region
The date each region code (CSC) first received A5660ZCSECZJ1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
CHC | China | Nov 3, 2026 | day 0 | A5660ZCSECZJ1/A5660CHCECZJ1/A5660ZCSECZJ1 |
Download and release notes
samloader download -m SM-A5660 -r CHC -v A5660ZCSECZJ1/A5660CHCECZJ1/A5660ZCSECZJ1Samsung's release notes and security patch level for this update: SM-A5660 / CHC on doc.samsungmobile.com. What each part of the build number means: decode A5660ZCSECZJ1.