185 Fiddle around
(PW) wprl without a definite plan and knowledge
The clock was broken, so he fiddled around with it until he got it to work.
(usingEnglish)
Meaning: Waste time doing silly things, or unsuccessful things
Example: I FIDDLED AROUND with the phone but couldn't get any signal.
(dictionary) to waste time; trifle; dally (often fol. by around):
Stop fiddling around and get to work.
(cambridge)
fiddle (about/around) with sth phrasal verb
phrasal verb
to make small changes to something to try to make it work
Stop fiddling about with your hair - it looks fine.
Someone's been fiddling around with my computer!
to touch or move things with your fingers because you are nervous or bored
He was just fiddling around with the things on his desk.