In most cases (not all), a black USB port denotes a USB 2.0 connection, also known as Hi-Speed USB, which supports data transfer rates up to 480 Mbps. However, as our previous articles on orange and ...
While a random USB port is likely fine for charging your phone, the risk is not zero. For extra safety, you can take a few extra steps.
Your laptop's USB-C ports look alike, but they might work very differently.
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