Instagram blocked access to my account for allegedly not following Community Guidelines. It wouldn’t tell me which ones. To unlock the account I was required to submit a selfie of me holding a code (provided by Instagram) written on bank paper. I did this & they permanently disabled my account. So have emailed their DPO office to ask a number of questions and to make a subject access request.
Hold companies to account for unaccountable decision making. Exercise your data protection rights.