To set the operating mode of Huawei 3G sticks, use these AT commands (at your own risk). Apparently the setting is saved and used in the future as well. Any : AT^SYSCFG=2,0,3FFFFFFF,2,4 2G only : AT^SYSCFG=13,1,3FFFFFFF,2,4 3G only : AT^SYSCFG=14,2,3FFFFFFF,2,4 2G...
