TORONTO – Mobile upstart Mobilicity will officially open for business on Saturday.At a corporate store in Toronto’s east end, company chair John Bitove and president Dave Dobbin unveiled the company’s six handsets and six pay-in-advance plans, which all include free caller ID, Mobilicity-to-Mobilicity calling and do not require a contract or credit check."Canadians deserve easy and affordable wireless service," Bitove said Friday in a statement. "Mobilicity applies the simple unlimited local usage principles of landline calling to mobile communications. Pay a flat monthly fee and use the Mobilicity unlimited network as much as you want – it's that simple."The plans...