Not only are there charge only cables, but data+charge cables can wear out and break. In either case, your device won't be recognized.
It might seem like the cable has no moving parts, but you forget that it gets bent, and bend it enough times or twist it or coil it too tightly and it breaks. Worse, it is frequently not a clean break, but an intermittent that is sensitive to movement.
It's like.... this is my favorite pen! I can't figure out why it stopped working! I've been using it for years and it was working yesterday... same with usb cables. :->
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