Free, direct downloads of official stock firmware for the Samsung Galaxy M31s (model code SM-M317F) in the XEF region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy M31s (SM-M317F) — XEF
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 XEF code is used in France by Orange, Bouygues Telecom, Free Mobile, with one Samsung Galaxy M31s firmware version known so far.
Samsung Galaxy M31s XEF Firmware Archive
Official Samsung Galaxy M31s firmware for the France XEF 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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XEF Firmware FAQ
Which carriers use the XEF CSC on the Samsung Galaxy M31s?+
The XEF CSC is used by Orange, Bouygues Telecom, and Free Mobile in France. Flash the XEF firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy M31s firmware versions are available for the XEF region?+
Currently one known Samsung Galaxy M31s firmware version is available for the XEF (France) region.
How is the XEF 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. XEF is the code for France (Orange, Bouygues Telecom, and Free Mobile) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy M31s (SM-M317F) — XEF
XEF - France
Samsung Galaxy M31s XEF Firmware Archive
Samsung Galaxy M31s Combination & Special Files