My facebook got disabled but I didn't do anything?

So Facebook disabled my account because of child sexual exploitation. I got a message saying it after i appealed but i swear i didn't do anything. I'm not a kind of person who's always active anymore on Facebook and never violated the rules since freshmen when i got my account. My last post was weeks ago talking about a hacker who did hacked my account and I managed to get it back. I even posted a screenshot of it. A screenshot about my email and my contact number changed. But other than that, my last post was a year ago and it was just 1 post about the new coin currency. I suspect maybe some hacker managed to sneak into my account and got me banned. I really wanna contact facebook and change my password but i can't log in to do that. I care about my account because i have a lot of old acquaintances in there even if I don't talk to them and some old memorable pictures with them. I use it facebook as more of a time capsule we just want I still value it because it's my first social media ever. I need help if anyone knows how to contact Facebook customer service without logging and report this problem. Thanks!
My facebook got disabled but I didn't do anything?
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