You can call Customer Care for free from any mobile operator. Yes, you are right. We need to call customer care for various needs. Then it is seen that most of the time they receive the call after 4-5 minutes and as a result they just cut the balance of your phone. Again, it is seen that the line is cut due to running out of balance before the problem that you have called them to solve. Waiting for the customer care to call, we ended up talking, but not talking to the customer manager. So today we will know how to talk to customer care of any phone for free from now on. As much as you like I am telling you step by step what you have to do. How- First call 156 from any number. Now select your language. Now select one of your complaints. Once the complaint is selected, you will receive a message stating that a customer care representative will contact you within 24 hours. It is worth mentioning here that many times you may have to wait for 24 to 48 hours to get the call from them. At work, you can call 158A from your Grameenphone , Banglalink , Robi and Airtel.