Your iPhone has a secret button thats seriously useful – heres how to unlock it
Kerry Wan/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET’s key takeaways Back Tap lets you trigger actions with double or triple taps. You can customize it to open apps, controls, or shortcuts. It works on most iPhones and even through many cases. The iPhone has a button on its back. You…
