Checking your SIM - biometric verified or not ?
To know if your SIM is verified or not , follow below procedure to make sure: Check GrameenPhone SIM is biometric verified or not write Reg and send SMS to 4949 (Free) Check Banglalink SIM is biometric verified or not dial *1600*1# (Free) Check Robi SIM is biometric verified or not dial *1600*1# (Free) Check Airtel SIM is biometric verified or not dial *121*444# (Free) Check Teletalk SIM is biometric verified or not write Q and send SMS to 1600 (Free)