32 GB SDHC UHS-I Micro SD card is performing well with U1, C10 standard, read speed up to 90 Mb / s and write speed up to 25 Mb / s, transfer, record and play a movie in seconds. FAT32 is for 32 GB micro sd card, you need to format in exFAT for 64, 128, 256 GB sd card.
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