I've purchased a new handset from Negri Electronics few weeks ago. Samsung Nexus S was shipped to me within a day from Negri Electronics side. Now the problem is that whenever I install a new SIM Card on my handset, a screen appears and its written [Sending message] Why? I think it is not Negri Electronics because the handset was sealed piece and was in an excellent condition. So, what is the problem? And yes, my balance is also going out whenever the SIM automatically sends a message? What is this message for? Is it the MMS and GPRS settings or something else? I've contacted Negri Electronics too, and their quick response was that there might be some auto configuration sending SMS from your network provider side! Is that true? Can anyone confirm?