J330NKOU4CSK2 – Galaxy J3 firmware
Build J330NKOU4CSK2 is a feature update for the Galaxy J3 (SM-J330N)
on Android 9. It first appeared on Samsung's servers on Nov 25, 2019 (method) and has reached
1 region so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to J330NKOU3CSH7 is blocked. Samsung still serves this file.
- Model
- SM-J330N
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 4
- First released
- Nov 25, 2019
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received J330NKOU4CSK2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Nov 25, 2019 | day 0 | J330NKOU4CSK2/J330NKOO4CSK2/J330NKOU4CSK1 |
Download and release notes
samloader download -m SM-J330N -r KOO -v J330NKOU4CSK2/J330NKOO4CSK2/J330NKOU4CSK1Samsung'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 J330NKOU4CSK2.