Grameenphone automatic internet configuration:-
Go to message option, type ALL and send to 8080.
You will get a message containing the configuration settings of Grameenphone Internet. Save it in your mobile, if needed, use 1234 as password.
For Telitalk:-
Write "set" and send SMS to "738".
Banglalink automatic internet configuration:-
Go to message option, type ALL and send to 3343.
Robi automatic internet configuration:-
Dial *140*7*1# from your Robi number for automatic configuration settings.
Airtel automatic internet configuration:-
Dial *121*6*1# for automatic configuration settings.