Free, direct downloads of official stock firmware for the Samsung Galaxy M31s (model code SM-M317F) in the KSA region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy M31s (SM-M317F) — KSA
Released 2020, August 6
203g, 9.3mm thickness
Android 10, up to Android 12, One UI 4.1
128GB storage, microSDXC, card slot
Samsung Galaxy M31s Released 2020, August 06 | 203g, 9.3mm thickness | Android 10, up to Android 12, One UI 4.1 | 128GB storage, microSDXC | Super AMOLED | 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP (macro)
Auxiliary lens | Li-Po 6000 mAh
Samsung Galaxy M31s Network Specifications
Detailed Network specifications for the Samsung Galaxy M31s:
A CSC (Consumer Software Customization) code ties a Samsung firmware build to the country and carrier it was released for, controlling branding, available languages and which OTA updates a device receives. The KSA code is used in Saudi Arabia by STC, Mobily, Zain, with 2 distinct Samsung Galaxy M31s firmware versions found so far.
2 Samsung Galaxy M31s firmware versions found for the KSA region, newest first.
Samsung Galaxy M31s KSA Firmware Archive
Official Samsung Galaxy M31s firmware for the Saudi Arabia KSA region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
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Samsung Galaxy M31s Combination & Special Files
Combination and service files for the Samsung Galaxy M31s (SM-M317F) — authorized repair, FRP reset after service, and diagnostics.
Device Mobile
Version
Bit - SW REV
FA
Change list
Updated
Status
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KSA Firmware FAQ
Which carriers use the KSA CSC on the Samsung Galaxy M31s?+
The KSA CSC is used by STC, Mobily, and Zain in Saudi Arabia. Flash the KSA firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy M31s firmware versions are available for the KSA region?+
2 distinct Samsung Galaxy M31s firmware versions have been found for the KSA (Saudi Arabia) region so far, from oldest to the latest build.
How is the KSA CSC different from other region codes?+
Samsung ties every firmware build to one of roughly 599 CSC (Consumer Software Customization) codes, each tied to a specific country and carrier. KSA is the code for Saudi Arabia (STC, Mobily, and Zain) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy M31s (SM-M317F) — KSA
KSA - Saudi Arabia
Samsung Galaxy M31s KSA Firmware Archive
Samsung Galaxy M31s Combination & Special Files