I am in the same place you are. I was banded in 2009 and put on almost all but 10 pounds. I did have a small slip 3 years ago and had a complete unfill. a few months later they did a fill. Now I have 1.2 in my band and they advised to not go higher. That was 3 years ago. That is when my weight gain started.
I am now going to have the band removed and have the Gastric Sleeve 1/20.
When in doubt, always get a 2nd opinion.