A315NKSU2DWA1 – Galaxy A31 firmware
Build A315NKSU2DWA1 is a feature update for the Galaxy A31 (SM-A315N)
on Android 12 (One UI 4). It first appeared on Samsung's servers on Feb 7, 2023 (method) and has reached
4 regions so far. It raises the bootloader bit from 1 to 2: once installed, the device no longer accepts firmware with bit 1 or lower, so a downgrade to A315NKSU1DVH1 is blocked. Samsung still serves this file.
- Model
- SM-A315N
- Android
- Android 12
- Type
- Feature
- Bootloader bit
- 2
- First released
- Feb 7, 2023
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received A315NKSU2DWA1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Feb 7, 2023 | day 0 | A315NKSU2DWA1/A315NOKR2DWA1/A315NKOU2DWA1 |
KTC | South Korea (KT) | Feb 7, 2023 | day 0 | A315NKSU2DWA1/A315NOKR2DWA1/A315NKOU2DWA1 |
LUC | South Korea (LG U+) | Feb 7, 2023 | day 0 | A315NKSU2DWA1/A315NOKR2DWA1/A315NKOU2DWA1 |
SKC | South Korea (SKT) | Feb 7, 2023 | day 0 | A315NKSU2DWA1/A315NOKR2DWA1/A315NKOU2DWA1 |
Download and release notes
samloader download -m SM-A315N -r KOO -v A315NKSU2DWA1/A315NOKR2DWA1/A315NKOU2DWA1
Samsung's release notes and security patch level for this update: SM-A315N / KOO on doc.samsungmobile.com. What each part of the build number means: decode A315NKSU2DWA1.