I just bought another 6 month unlimited card, second time. reactivated 2/22/11, which made the phone good until Aug. 25th, 2011. My new service pin # is 199 591 157 063 670. I had great service for the first 6 months, but today 2/24/2011, my phone has frozen up! This is my only communication. I have no landline. I bought the the phone at Walmart in June of 2010. I paid by credit card 270.00 for this 6 month plan. I would like to have it put back on my credit card or I will have it disputed with my credit card company. My email address i... read full review »