Do I need conchal bowl cut and what is a big CB? (Photo)

Judging by the photos you sent, I think your ears now look normal.
In people who have never had surgery, they are never perfectly symmetrical.
And no-one else looks that closely.

I typically remove a crescent of cartilage from the conchal bowl with otoplasty. I also place sutures between the concha and mastoid fascia as part of otoplasty. This can be done from behind the ear under local anesthesia. Typically the work on the anti helical fold, which you already had, is not enough to get the full effect from otoplasty