Free, direct downloads of official stock firmware for the Samsung Galaxy M31s (model code SM-M317F) in the XEZ region. Pick a build to update, repair, or unbrick your device with the Odin tool.
Samsung Galaxy M31s (SM-M317F) — XEZ
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 XEZ code is used in Czechia by T-Mobile, O2, Vodafone, with one Samsung Galaxy M31s firmware version known so far.
Samsung Galaxy M31s XEZ Firmware Archive
Official Samsung Galaxy M31s firmware for the Czechia XEZ region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Showing 0 to 0 of 0 entries
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
Showing 0 to 0 of 0 entries
XEZ Firmware FAQ
Which carriers use the XEZ CSC on the Samsung Galaxy M31s?+
The XEZ CSC is used by T-Mobile, O2, and Vodafone in Czechia. Flash the XEZ firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy M31s firmware versions are available for the XEZ region?+
Currently one known Samsung Galaxy M31s firmware version is available for the XEZ (Czechia) region.
How is the XEZ 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. XEZ is the code for Czechia (T-Mobile, O2, and Vodafone) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
Samsung Galaxy M31s (SM-M317F) — XEZ
XEZ - Czechia
Samsung Galaxy M31s XEZ Firmware Archive
Samsung Galaxy M31s Combination & Special Files