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.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaFeb 7, 2023day 0A315NKSU2DWA1/A315NOKR2DWA1/A315NKOU2DWA1
KTCSouth Korea (KT)Feb 7, 2023day 0A315NKSU2DWA1/A315NOKR2DWA1/A315NKOU2DWA1
LUCSouth Korea (LG U+)Feb 7, 2023day 0A315NKSU2DWA1/A315NOKR2DWA1/A315NKOU2DWA1
SKCSouth Korea (SKT)Feb 7, 2023day 0A315NKSU2DWA1/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.