A315FXXS3DWF1 – Galaxy A31 firmware
Build A315FXXS3DWF1 is a security update for the Galaxy A31 (SM-A315F)
on Android 12 (One UI 4). It first appeared on Samsung's servers on Jun 27, 2023 (method) and has reached
1 region so far. It raises the bootloader bit from 2 to 3: once installed, the device no longer accepts firmware with bit 2 or lower, so a downgrade to A315FXXU2DWB3 is blocked. Samsung still serves this file.
- Model
- SM-A315F
- Android
- Android 12
- Type
- Security
- Bootloader bit
- 3
- First released
- Jun 27, 2023
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received A315FXXS3DWF1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SKZ | Kazakhstan | Jun 27, 2023 | day 0 | A315FXXS3DWF1/A315FOXM3DWF1/A315FXXS3DWF1 |
Download and release notes
samloader download -m SM-A315F -r SKZ -v A315FXXS3DWF1/A315FOXM3DWF1/A315FXXS3DWF1Samsung's release notes and security patch level for this update: SM-A315F / SKZ on doc.samsungmobile.com. What each part of the build number means: decode A315FXXS3DWF1.