I have a similar problem but mine either reads as 3.6GB or 1.4TB on an 8GB card. www.sdcard.org have a format utility and cards over 4gb don’t just use FAT32 they use exFAT.
I have a similar problem but mine either reads as 3.6GB or 1.4TB on an 8GB card. www.sdcard.org have a format utility and cards over 4gb don’t just use FAT32 they use exFAT.