My 7 year old was pratting about on it when i nipped upstairs for five minutes and may have run an update on an app. I don’t know.
Suspect more likely it took a tumble if the seven isn’t coming up with anything. Maybe try leaving it on what you think is turned on for a couple of days until it runs out of battery and try turning on again. If it doesn’t turn on then plug into charger, wait a while (my s7 needed a few % battery before it would turn on from fully depleted) then try turning on.
I can only say what I replaced mine with (mrs will be getting the same) – Motorola G8plus, as it’s only 240 quid at Argos, I’m done with expensive contracts these days. Good camera, really pleased with it.