Did my account just get banned permanently?

Just went to log in to an instagram account and was told I need to do phone verifications. I can't remember the exact message it displayed, but it was basically "We'll review the account and get back to you within 24hours". Details on the account below.

So I bought a 5.4k account from the marketplace here (trusted seller). Of course the account was grown with bots, but I intended on turning it into an authentic account, using the 5.4k followers just as a bit of a boost.

I spent the last few days not doing much on the account, a couple likes and comments here and there, really few, to make it look human. I did however change the email address, username and bio. Then I set it up with Later to schedule 3 posts/day. That worked for I guess 2 days, until today - blocked about an hour ago.

The problem is, the account was used as a slave in mother/slave method, so the inbox is FULL of spam that was sent like 2 years ago - if it's manually audited, I guess it's screwed?

Anybody have experience with this?

Oh, I also converted the account to a business account so Later can publish posts automatically.

I have been using my phone to manage the account without a proxy (just a VPN that I use for everything).

I'm wondering what specifically triggered the ban, and I guess I'll find out for sure in 24hrs whether it'll be overturned.

Im just started growing few IG accounts. Sorry bro I can help you with this question, but without making another thread is it very important on every account like other people posts/comment/answer DM? And I use all 5 acc's on one phone/ip.