But iPhone XR's 4G download speeds are still far faster than the iPhone 6's and could be one reason to upgrade.

This week's Ask Maggie explains why the iPhone 4 isn't a 4G smartphone and why it's not a good idea to use a wireless broadband service as your primary broadband connection.

Even though Apple is only expected to release its first 5G iPhone in 2020, it's already trailing the competition in 4G download speeds by a long distance.

3G Introduced commercially in 2001 and considered to be the first high-speed mobile network generation, 3G transmits at rates up to 7.2Mbps.

As the iPhone 4G brouhaha winds down, what can we take away from the aftermath of Gizmodo's exclusive? Here are five things that come to mind.