Galaxy A31 SM-A315N firmware

The latest stable build is A315NKSS4DWL1 (Android 12, security update), first released on Jan 10, 2024 – 1031 days ago. Samsung has published 23 stable builds for this model since Apr 29, 2020: 1 security and 22 feature updates, from Android 10 to Android 12. The current bootloader (binary) version is 4. A device on bit 4 only accepts firmware with bit 4 or higher – see downgrading and the bootloader bit.

Latest build
A315NKSS4DWL1
Released
Jan 10, 2024
Android
Android 12
Bootloader bit
4
Regions
4
Stable builds
23

Latest firmware by region (CSC)

Samsung builds firmware per region code (CSC). Pick the code that matches your device – it is shown under Settings › About phone › Software information › Service provider software version. Follow a code for its complete history.

CSCRegionLatest buildAndroidReleasedBuilds
KOOSouth KoreaA315NKSS4DWL1Android 12Jan 10, 202422
KTCSouth Korea (KT)A315NKSS4DWL1Android 12Jan 10, 202422
LUCSouth Korea (LG U+)A315NKSS4DWL1Android 12Jan 10, 202422
SKCSouth Korea (SKT)A315NKSS4DWL1Android 12Jan 10, 202422

Firmware history (23 builds)

Every stable build (PDA version) Samsung has published for the SM-A315N, newest first. “” is the earliest date the build appeared on Samsung's servers in any region. “” means Samsung no longer serves the file for that build.

Build (PDA)ReleasedAndroidTypeBitRegionsFile
A315NKSS4DWL1Jan 10, 2024Android 12Security44on server
A315NKSU3DWF1Jul 23, 2023Android 12Feature34on server
A315NKSU2DWA1Feb 7, 2023Android 12Feature24on server
A315NKSU1DVH1Aug 15, 2022Android 12Feature14on server
A315NKSU1DVF1Jun 29, 2022Android 12Feature14on server
A315NKSU1DVE1May 18, 2022Android 12Feature14on server
A315NKSU1CVA1Jan 23, 2022Android 11Feature14on server
A315NKSU1CUL1Dec 15, 2021Android 11Feature14on server
A315NKSU1CUJ2Nov 9, 2021Android 11Feature14on server
A315NKSU1CUH2Sep 1, 2021Android 11Feature14on server
A315NKSU1CUF1Jun 22, 2021Android 11Feature14on server
A315NKSU1CUE2May 27, 2021Android 11Feature14on server
A315NKSU1CUD3Apr 19, 2021Android 11Feature14pulled
A315NKSU1BUA1Feb 15, 2021Android 10Feature14on server
A315NKSU1BTK2Nov 29, 2020Android 10Feature14pulled
A315NKSU1ATI1Sep 13, 2020Android 10Feature14pulled
A315NKSU1ATH2Aug 12, 2020Android 10Feature14pulled
A315NKSU1ATG1Jul 15, 2020Android 10Feature14pulled
A315NKSU1ATE4Jun 7, 2020Android 10Feature14pulled
A315NKSU1ATDAMay 10, 2020Android 10Feature14pulled
A315NKSU1ATD8Apr 29, 2020Android 10Feature13pulled
A315NKSU1ATD9Apr 29, 2020Android 10Feature11pulled
A315NKSU4DXJ1–Android 12Feature44on server

How to download SM-A315N firmware

We do not host firmware. Download it directly from Samsung's servers with a free open-source tool, for example samloader:

samloader download -m SM-A315N -r KOO

Replace KOO with your region code. Step-by-step instructions, including a graphical alternative: How to download Samsung firmware.

Changelog and security patch level

Samsung publishes the release notes for each update, including the security patch level, on its own site. They are listed per region – for example SM-A315N / KOO release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.