To help ease the cost of buying a new iPhone, trading in is a good idea, so here’s how much the valuation declines every year ...

Or, for hundreds or even thousands of dollars more, you can buy a used phone with a cracked ... still more than almost every brand-new iPhone and nearly twice as much as a refurbished iPhone ...

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.