Active all USD Codes by Using this Application.
This Application is designed based on internet and others packages and basic code on bd sim
Operators (gp,banglalink,airtel,citycell,robi,teletalk).
If You want to know about internet or basic packages of GP OR robi OR airtel.
You don't need to go to customer care or search in internet for this package code.
just install this app and you'll know all details about it.
same type of informatios are given in this app for other operators.Application is helpful for your.