How to check internet data balance grameenphone,teletalk,banglalink,robi & airtel.
> Grameenhone internet balance check dial *567*
> Banglalink internet balance check dial *5000*500#
> Robi internet balance check dial *8444*88#
> Airtel BD (prepaid) internet balance check dial *778*555#
> Airtel BD (postpaid) internet balance check dial *121*70#
> Teletalk internet balance check dial *152# or write U send to 111.
