The just-revealed Asus ROG Phone 9 Pro includes a fun perk not found on many phones: The ability to play four retro-style arcade games using the mini-LED display on the back of the phone.

I’ll be honest. When I first turned on the red light filter, I nearly screamed. It washed my entire screen in a bright shade of crimson that, IMO, was kind of scary to look at.

Select Communication Limits. Tap During Screen Time and select Everyone. Once you do this, try sending an iMessage from your iPhone, and the contact names should no longer appear in red.

The iPhone has a hidden "night vision" feature that turns your screen red. More than giving a spy movie vibe, a red screen could help sharpen people's night vision by reducing the harmful effect ...