Now we need to enable the developer options, USB debugging and perform the OEM unlock on your M31s. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. Samsung firmware download database For all Samsung devices (Samsung Stock ROM Flash File), easily find through this page or through the search. To download the Samsung full firmware file (Flash File) that suits your device here, Facilities are provided. Also, consider download version of Stock firmware (Flash File) from your device before downloading it.
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