Quoting How can I contact the Instagram customer service team, and how long do they

How can I contact the Instagram customer service team, and how long do they usually take to reply?
I have just installed instagram again after years and i was following too many random pages. I tried going through and unfollowing, but instagram then accused me of sharing my credentials with a third party for follows and likes. All I wanted to do was clean my following list and now I'm blocked from doing anything. So instagram doesn't even let you choose who you follow anymore?