This T-Mobile worker says that your iPhone could be worth a lot more money than you think. Here's what he says to look out for.

You may still find an iPhone 13 mini on sale. If it’s available prices should appear below. Apple no longer sells either of these handsets. If Apple had carried on selling them, they would ...

Don't have the TikTok app currently installed on your mobile device? It's best not to buy a high-price phone with it installed to get it.