Use APKPure App
Get Biometric Sim Regi Info in BD old version APK for Android
Check you are registered or not.
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