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Mmc_read failed

My galaxy note four will sometimes boot up after I have taken the  battery has a brand new switched into boot recovery mode and said mmc_read failed

Why DiD that happen and how do I fix it

Thank you,


Re: Mmc_read failed
Customer Service Rep

Oh, no! Let's get your Samsung Galaxy Note 4 back up and running, Stefaweni. Do you have an external memory card (SD Card) inserted into your device while it tries to load? This could cause an issue with the boot up process. Have you completed a factory reset or hooked up your device to a computer and run a software repair tool?

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