You can access the internet on your smartphone using either a 2G, 3G, 4G or 5G connection. Find out how download speeds compare. When it comes to mobile internet download speeds, terms like 2G, 3G, 4G and 5G are often used.
https://kenstechtips.com/index.php/download-speeds-2g-3g-and-4g-actual-meaning
https://kenstechtips.com/index.php/download-speeds-2g-3g-and-4g-actual-meaning