These adapters are cheap but of very poor quality. None of the SIM cards I've tried fit these adapters. I used them with 4 different cards, they were all the same, they fit freely so the cards fell out all the time. Adapters that usually come with SIM cards are a much better fit. Also, these adapters are a bit thicker than regular SIM cards, I think for some devices too. When I tried to use one of these in an old hotspot, it got stuck and damaged the pins in the card slot when I pulled it out with pliers. After that, the hotspot stopped working, I didn't care, it was a really old hotspot, which gave me a reason to buy a better one. In any case, I wouldn't recommend putting them in a device with a SIM card slot. Something should be wrong with the sim tray or a latch in the sim slot. However, I would recommend getting something else.
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