I'm not a 2a but I think plopping could help your volume problem. If you plopped and air dried, that should probably give you lift around your part.
Formerly agk

*All 2s and 3A (hair has been wonky lately)
*Currently enjoying Elucence MBC, Abba Nourishing, Giovanni Vitapro, Abba Gel-Lotion, Redken Spin Control