The seams in your model look like they're most likely coming from the normalmap. Did you run your diffuse through a normalmap filter and overlay it onto your bake? If you did try to avoid that, you want to manually select layers from your diffuse that need description in the normal and add them layer by layer. I ask…
Pretty neat character. If it's possible I'd address the topology and try to remove some unneeded loops where you can. You're probably going to find out when you start rigging your character that having tons of geometry as dense as it is there, is a bit pain to weight correctly. Also, most characters for games keep the…