I have a brand new iphone4 16gb locked to bell and I want to trade for a iphone4 16gb locked to telus. Reason im selling is i thought i could unlocked it but the ios is 5.0.1 which there is no base band unlock.please take a look at my ad:http://toronto.kijiji.ca/c-ViewAd?A...-EditAd&mpuid=1700273;15;359292851;71774221;;