As Received...! Urgent Warning to All MTN, VODACOM, TIGO AND ZAIN Users. If you receive a phone call on your mobile from any person, saying that, s/he is a company Engineer or saying that theyre checking your mobile line and you have to press #90 or #09 or any other number. End this call immediately without pressing any numbers. There is a fraud company using a device that once you press #90 or #09 they can access your SIM card and make calls at your expense. Again if you receive a phone call and your mobile phone displays (XALAN) on the screen, Dont answer the call, END THE CALL IMMEDIATELY, if you answer the call, your phone Will be infected with a virus. The virus will erase all IMEI and IMSI information from both your phone and your SIM card, which will make your phone unable to connect with the telephone networks. You will have to buy a new phone. This information has been confirmed by manufactures of Motorola and Nokia Phones. (!?) PLEASE PASS ON THIS PIECE OF INFORMATION TO ALL YOUR FRIENDS USING MOBILE PHONES. NB: PLEASE DONT JUST COLLECT A COMPLEMENTARY CARD FROM ANYBODY Especially if you own a car.