“Hey, can I call you?” I bet millions send this text every day. It’s common etiquette. You text first and see whether someone is busy. If you get a “Sure,” or “Y,” or “K,” you can ring that person up.

Discover 5 iPhone hacks for iOS 26.2 to enhance usability, customize your home screen, and streamline your daily tasks.

It all boils down to which type of texts your iPhone is sending. Below, we’ll break down the differences between blue and ...