The easiest way to turn on or off GPRS, EDGE, 3G. Support for all GSM networks. No background service. No widget setup required.*Note* If you don’t see the icon of GPRS/3G visible on the status bar after turning on, please don’t worry. It will be visible right after you access Internet (open web browser or email…) Công c? ??n gi?n giúp b?n m? ho?c t?t GPRS, EDGE, 3G cho t?t c? các m?ng GSM Viet Nam và th? gi?i.