A105NKOU4BTJ1 – Galaxy A10 firmware
Build A105NKOU4BTJ1 is a feature update for the Galaxy A10 (SM-A105N)
on Android 10. It first appeared on Samsung's servers on Nov 23, 2020 (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 A105NKOU3BTG1 is blocked. Samsung still serves this file.
- Model
- SM-A105N
- Android
- Android 10
- Type
- Feature
- Bootloader bit
- 4
- First released
- Nov 23, 2020
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A105NKOU4BTJ1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Nov 23, 2020 | day 0 | A105NKOU4BTJ1/A105NKOO4BTJ1/A105NKOU4BTJ1 |
Download and release notes
samloader download -m SM-A105N -r KOO -v A105NKOU4BTJ1/A105NKOO4BTJ1/A105NKOU4BTJ1
Samsung's release notes and security patch level for this update: SM-A105N / KOO on doc.samsungmobile.com. What each part of the build number means: decode A105NKOU4BTJ1.