
I bought this microSD card for my smartphone. It worked fine for a day, then I got notifications that it was too slow, then the apps using it stopped working and I had to uninstall, reformat and restart. Several such cycles and I had to factory reset the phone. However, as a storage device that doesn't require constant demand, it works well, so it's been classified as long-term archival. A bit disappointing but still worth the price.

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