Hello folks. i have a Torch 9800. using Aircel carrier. facing one of the problem that i recieve too many unnecesarry ussd messaged like "your last call balance is ----" whenever i keep my phone aside. it keepd on beeping the sound of these messges. and while i use it i have to read these messages by pressing ok to get rid of them before using my phone. i have many times reloaded my OS but nothing worked. it give a lot of help please