This was the only issue I had. But I fixed it in the first 5 minutes I owned my MVP v2.
http://www.e-cigarette-forum.com/forum/apv-discussion/514222-modded-mod-custom-mvp-v2.html
http://www.e-cigarette-forum.com/forum/apv-discussion/514222-modded-mod-custom-mvp-v2.html
