Very easy process .you can confirm about your sim card registration. If you already fill up make sure by using this app.

Key Feature:

#Get BD Sim user's Info

* Gp , Banglalink ,Robi,Airtel sim-registration status

* Any operator Auto Connected

* Auto Detect Operator

* Which Papers do you Need

* Timeline and recovery option

I hope this app helps you very much. We should care about it

Thanks