Insert your micro SD card into a micro SD card adapter or reader compatible with your micro SD card. Your SD card will be treated as your main storage system. If you make it internal, it will be formatted and not be allowed to be read by your computer. If you choose to use it as portable storage your SD card will be treated like any other removable storage, allowing you to remove it and transfer files to your computer or another device. Note: If you are using Android 6.0 Marshmallow, you will have the option to treat your SD card as either internal storage or portable storage.All your content will be cleared, and you will have a new card formatted to your Android phone.

Once you have formatted, your card will be formatted to FAT32 filesystem type.Follow the prompts to erase and format your card.Doing so will erase all the content on the card. You may see several screens that ask you if you are sure that you wish to format your SD card.Your Android device will begin to format your micro SD card, and erase all its contents. Tap on the option to confirm you want to erase the contents of your SD card when prompted to by your Android.

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