Default team
Before the update there were certain maps like "SPEARHEAD" where you would play on Russian team on solo/co-op mode (Conquest but may have been same on other game modes). Now it seems like for every m...
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I wouldn't mind for Conquest Solo/Co-op if it was a 50/50 chance to be on either team regardless of map, so you are able to get upgrades for Russian vehicles.
As for Breakthrough I do remember that you were assigned as Russians for some maps (iirc Kaleidoscope, Spearhead, Orbital and a couple of others I think), although after the new update you now play as US regardless of what the map is.
As for the username, log in here and then you can change it https://myaccount.ea.com/am/ui/account-information
