I own an Android device with a removable MicroSD card. The card uses either FAT32 or ExFAT technology. These are "non-journaling filesystem" technologies, so the data on the cards can become corrupted in certain cases. Perhaps I should run a consistency check every so often.

How often should I run a consistency check on my MicroSD card?

Also, if my device sometimes freezes and I must power it off using the power button, must I run a consistency check every time?

And why do you say so?

If possible, please write an answer which is least a few paragraphs long. If you cite a source, please provide a link to the source.

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