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10.1" tablet released in February 2014, powered by a custom version of Android 4.4 KitKat, and identified by model number: SM-T520NZKAXAR

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Micro SD-card not mounting on Samsung Tab Pro, why is it greyed-out?

I have a Samsung tab Pro 10.1 and when I insert a new micro sd card of 16GB or of 8GB the card won't mount. The option at 'settings>general>storage>mount sd card' is greyed-out and therefore not possible to mount the sd card. Can anyone help me solve this problem?

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I have also reformatted the sd card into my macbook to the exFat format. is this correct? After doing so I have inserted the card in my tablet. However, still no effect.


I'm having the same exact problem. It's grayed out. I've tried sdhx, sdxc. It's always grayed. The cards work fine in other devices and yes I formatted them. I don't know what to do. When I click on the storage tab for a split flash I can see the sd card memory information flash because it goes permanently gray and useless. :(


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Make sure you are formatting them to FAT32, not exFAT.

I believe Android only reads FAT or FAT32 on older android builds.

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