Have a look at this MEGATHREAD of people with locked accounts, extended hold times for deposits, or even getting hit with permanent bans from the platform!
This is the official Fidelity Investments customer support subreddit, mind you!
I’m definitely moving my IRAs, my big pots of money, out of Fidelity and back to Schwab:
Lessons learned about Schwab and Fidelity : r/Schwab (reddit.com)