My usb 2.0 charger port was bent and eventually broken. I was wondering if usb 3.0 will work while 2.0 is broken.
Welcome To AndroidCentral. Thanks for the question
Yes, USB 3.0 is backward compatible with USB 2.0 but you will only get the USB 2.0 speed and power transfer.
If the actual port is broken, it doesn't matter what cable you plug in, it still won't work.
Hope this helps
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