Upgrading to the iPhone 15? This is why you should trade in your old iPhone now

The iPhone 15 series is expected to launch on September 12, but the best time to sell your current iPhone is much earlier than that. According to historical trade-in data, between August 19 and August 26, you should try to sell or get quotes on your old iPhone to get the best price for it.

The comparison site for the trade-in of smartphones Sales cell says that week is the sweet spot to keep your current iPhone for as long as possible while avoiding the sharp drop in value that historically occurs in the few weeks leading up to a major Apple iPhone event.