@charles_black's point changed my view completely.

After "run a quick test," I always feel the brush head for warmth first.

Wonder if it always works that way. Some mistakes just feel awful and don't become jokes, lol. But maybe the shared cringe still connects people in the end.

Honestly @ruby290 spoilers can make the ride more fun.

On older Android models, that button combo can actually force a factory reset. I've seen people lose all their data because they held it too long by accident. It's better to check the manual or official support site before trying random fixes.