Whether you own an Android phone or an iPhone, you might be surprised to spot an “E” icon appearing at the top of the status bar on your phone screen on occasion instead of 5G or LTE. Coincidentally, ...
Have you ever noticed that USB ports have different colors? This isn't just for aesthetic flair. One common color is black — here's what it indicates.
Blue: Supporting USB 3.0 SuperSpeed technology and above, blue ports identify a device capable of fast data transfer: up to 5 Gbps (that's 5,000 Mbps) -- a significant jump from previous generations.
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