A5660ZHSECZI2 – Galaxy A56 5G firmware
Build A5660ZHSECZI2 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 17, 2026 (method) and has reached
2 regions so far. It keeps bootloader bit 14, so downgrading to the previous build A5660ZCSECZI2 is still possible. Samsung still serves this file.
- Model
- SM-A5660
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 14
- First released
- Sep 17, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received A5660ZHSECZI2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Sep 17, 2026 | day 0 | A5660ZHSECZI2/A5660OZSECZI2/A5660ZCSECZI2 |
TGY | Hong Kong | Sep 17, 2026 | day 0 | A5660ZHSECZI2/A5660OZSECZI2/A5660ZCSECZI2 |
Download and release notes
samloader download -m SM-A5660 -r BRI -v A5660ZHSECZI2/A5660OZSECZI2/A5660ZCSECZI2Samsung'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 A5660ZHSECZI2.