As Big Tech battles for dominance in artificial intelligence, Apple is flying high on the success of the iPhone.

Apple bet big on a dramatic redesign of its iPhone last year, the biggest shakeup to its flagship smartphone in nearly a decade. But the slimmer iPhone Air hasn’t seemed to resonate with buyers.

If you own a modern iPhone or Pixel phone, you should be using MagSafe accessories. These handy magnetic add-ons snap right to the back of your handset, allowing you to instantly charge your phone, ...