Use card reader(PC) or mobile to format sd card.
Why exFAT?
exFAT is optimized for flash drives—designed to be a lightweight file system like FAT32, but without the extra features and overhead of NTFS and without the limitations of FAT32. Like NTFS, exFAT has very large limits on file and partition sizes., allowing you to store files much larger than the 4 GB allowed by FAT32.
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