Apple is boosting iPhone trade-in values from now through June 18 both online and in Apple Stores.The increase in trade-in values is modest, ranging from $5 to $30, with higher values for iPhone 12 models.Customers can now receive up to $150 for trading in an iPhone 11, up from the previous value of $130.This limited-time promotion aligns with the release of the iPhone 16 lineup, enticing users to upgrade to the latest models.