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.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Oct 21, 2026 | day 0 | A5660ZHUEDZJ1/A5660OZSEDZJ1/A5660ZCUEDZJ1 |
TGY | Hong Kong | Oct 21, 2026 | day 0 | A5660ZHUEDZJ1/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.