Be wary of people calling your cellphone claiming to be from your service provider and offering to upgrade your phone packages. They may actually be independent dealers trying to make a quick buck. J.P. got one of these calls, and growing suspicious, she asked the lady to verify how many text messages she had sent in the past month. The caller was unable. J.P. hung up and called the number back on her caller ID, a woman at a wireless store at the local mall picked up. I received a call from someone claiming to be... read full review »