Unless you know for sure your phone is made up of nylon, polypropylene, polyethylene, or polyester plastics (which are better at resisting WD-40's effects) it's best not to take the chance.

News Apple says it is working on a fix for M4 iPad Pro HDR screen glitch Blue shades can appear almost white "in a relatively specific set of circumstances." By David Price ...

If your phone is in color one minute and black-and-white the next, there could be a temporary issue with the OS or an app. A simple restart could bring color back to your phone.

That said, if you drop your $1,200 iPhone, you might be glad you paid upfront for AppleCare+ ($199 for two years when signing up for coverage, then $29 to fix a broken screen).