A920NKSU4CTL2 – Galaxy A9 firmware
Build A920NKSU4CTL2 is a feature update for the Galaxy A9 (SM-A920N)
on Android 10. It first appeared on Samsung's servers on Jan 11, 2021 (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 A920NKSU3CTJ2 is blocked. Samsung still serves this file.
- Model
- SM-A920N
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 4
- First released
- Jan 11, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A920NKSU4CTL2, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Jan 11, 2021 | day 0 | A920NKSU4CTL2/A920NKOO4CTL2/A920NKOU4CTL2 |
Download and release notes
samloader download -m SM-A920N -r KOO -v A920NKSU4CTL2/A920NKOO4CTL2/A920NKOU4CTL2Samsung's release notes and security patch level for this update: SM-A920N / KOO on doc.samsungmobile.com. What each part of the build number means: decode A920NKSU4CTL2.