J530KKKU7CUD2 – Galaxy J5 firmware
Build J530KKKU7CUD2 is a feature update for the Galaxy J5 (SM-J530K)
on Android 9. It first appeared on Samsung's servers on May 12, 2021 (method) and has reached
1 region so far. It raises the bootloader bit from 6 to 7: once installed, the device no longer accepts firmware with bit 6 or lower, so a downgrade to J530KKKU6CTH1 is blocked. Samsung still serves this file.
- Model
- SM-J530K
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 7
- First released
- May 12, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received J530KKKU7CUD2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KTC | South Korea (KT) | May 12, 2021 | day 0 | J530KKKU7CUD2/J530KKTC7CUD2/J530KKKU7CUD2 |
Download and release notes
samloader download -m SM-J530K -r KTC -v J530KKKU7CUD2/J530KKTC7CUD2/J530KKKU7CUD2Samsung's release notes and security patch level for this update: SM-J530K / KTC on doc.samsungmobile.com. What each part of the build number means: decode J530KKKU7CUD2.