A920NKSU5CUI1 – Galaxy A9 firmware
Build A920NKSU5CUI1 is a feature update for the Galaxy A9 (SM-A920N)
on Android 10. It first appeared on Samsung's servers on Oct 13, 2021 (method) and has reached
1 region so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to A920NKSU4CUD1 is blocked. Samsung still serves this file.
- Model
- SM-A920N
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 5
- First released
- Oct 13, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A920NKSU5CUI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Oct 13, 2021 | day 0 | A920NKSU5CUI1/A920NKOO5CUI1/A920NKOU5CUI1 |
Download and release notes
samloader download -m SM-A920N -r KOO -v A920NKSU5CUI1/A920NKOO5CUI1/A920NKOU5CUI1
Samsung'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 A920NKSU5CUI1.