Even in your example you point out that 3G "is being rapidly dropped" but it's not dead yet. The iPhone 3G came out in 2008. So just today, 15 years later, it w

Even in your example you point out that 3G "is being rapidly dropped" but it's not dead yet. The iPhone 3G came out in 2008. So just today, 15 years later, it would still work on most networks (certainly I can still use 3G in Australia).