Long story short, wife left cell phone in wahser and now phone is completely dead! can we use our old Nokia phone that we replaced with the one we had. With SIM card in the 3120b it is locked, will unlocking work without getting a replacement phone? Please help locked in for 2 years with Cingular.. Nokia 3120b Type:RH-50 IMEI: 353783/00/345903/3 USA Cingular (AT&T)