M4 SD Card Problem

Hi, guys,

I am getting a very frustrating experience with my M4 Aqua. When I got the phone I placed a 2gb SD card. A couple of weeks ago I updated to Marshmallow and used it as adopted storage.

Today I got a 16 gb card. Before I put the new one I wanted to format the old one as a portable device so I can use it as a back up for other devices. Despite a supposedly successful format the card still contained Android system files and even after several formats the result was the same. A PC...

M4 SD Card Problem

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