PS3 - Is it possible to Generate a PSN NPComm ID Signature? | PSX-Place
Reset PSN Password on a PS3 - YouTube
How to change your PSN online ID
Why can't I sign into my PSN account on my PS3? Sony Customer support and chat are completely useless. User ID and password are correct. Sometimes this is what get. Other times,
You can change your PSN ID starting today, but "PS3 and PS Vita games are not supported." Has anyone made the change yet? : r/vita
PlayStation details PSN Online ID change feature, not compatible with all games | Shacknews