Ahead of the announcement of the iPhone 18 Pro, iPhone 18 Pro Max, and first foldable iPhone next month, a new study from trade-in comparison site SellCell finds that most iPhones lose a considerable amount of trade-in value in the 10-day window between Apple's announcement and the actual product launch.

Ahead of the announcement of the iPhone 18 Pro, iPhone 18 Pro Max, and first foldable iPhone next month, a new study from trade-in comparison site SellCell finds that most iPhones lose a considerable amount of trade-in value in the 10-day window between Apple's announcement and the actual product launch.

Ahead of the announcement of the iPhone 18 Pro, iPhone 18 Pro Max, and first foldable iPhone next month, a new study from trade-in comparison site SellCell finds that most iPhones lose a considerable amount of trade-in value in the 10-day window between Apple's announcement and the actual product launch.