J330NKOU6CTK1 – Galaxy J3 firmware
Build J330NKOU6CTK1 is a feature update for the Galaxy J3 (SM-J330N)
on Android 9. It first appeared on Samsung's servers on Dec 13, 2020 (method) and has reached
1 region so far. It raises the bootloader bit from 5 to 6: once installed, the device no longer accepts firmware with bit 5 or lower, so a downgrade to J330NKOU5CTF1 is blocked. Samsung still serves this file.
- Model
- SM-J330N
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 6
- First released
- Dec 13, 2020
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received J330NKOU6CTK1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Dec 13, 2020 | day 0 | J330NKOU6CTK1/J330NKOO6CTK1/J330NKOU6CTK1 |
Download and release notes
samloader download -m SM-J330N -r KOO -v J330NKOU6CTK1/J330NKOO6CTK1/J330NKOU6CTK1
Samsung's release notes and security patch level for this update: SM-J330N / KOO on doc.samsungmobile.com. What each part of the build number means: decode J330NKOU6CTK1.