In December 2005, Warid Telecom International LLC, an Abu Dhabi based consortium paid US $50 million to obtain a GSM license from the BTRC and became the sixth mobile phone operator in Bangladesh.
In a press conference on August 17, 2006, Warid announced that its network would be activated two months ahead of schedule, in October 2006. In October 2006, Warid Telecom put off the launch of its cellphone services in Bangladesh until April 2007 after its major supplier Nokia walked out on an agreement over a payment dispute.
Warid had a soft launch at the end of January 2007. It gave away complimentary subscriptions among a selected group of individuals to make test calls and the operator adjusted its network's quality based on their comments.
On the April 14, 2007 that marked Pohela Boishakh Warid Bangladesh kicked off its advertisement campaign titled Salam Bangladesh Salam. A few days later on the April 29, the official website was launched.
On May 9, 2007, Warid in an advertisement in major daily newspapers stated that it would be launching commercially on May 10, 2007. However, tariff details were not revealed. The advertisement included an announcement for the people interested to buy Warid connections to bring documents such as ID Card to the designated franchise and customer care centres.
Within 70 days, the company crossed the 1 million customers mark in July 19, 2007. It was achieved ten days earlier as compared to Warid Pakistan, the subsidiary of Warid Telecom in Pakistan.
On October 1, 2007, Warid Telecom expanded its network to five more districts raising total number of districts under Warid coverage to 56, said a press release. Mymensingh, Jamalpur, Sherpur, Rajbari and Narail districts were covered by Warid network.
On November 10, 2007, 61 districts were covered by Warid.
On June 10, 2008, Warid Telecom expanded its network to 3 more districts Bandarban, Khagrachhari and Rangamati. With this all 64 districts of Bangladesh were under Warid network coverage. Warid, thus became a pan Bangladeshi mobile network.
In 2010, Warid Telecom sold a majority 70% stake in the company to India's Bharti Airtel Limited for US$300 million. The Bangladesh Telecommunication Regulatory Commission approved the deal on Jan 4, 2010. Bharti Airtel Limited took management control of the company and its board, and rebranded the company's services under its own airtel brand from December 20, 2010.
On December 21, 2011, Airtel Bangladesh launched "Airtel Circle of Friends", the first ever Interactive Commercial in Bangladesh, created and executed by Digimarka.
In March, 2013, Warid Telecom sold its rest 30% share to Bharti Airtel’s Singapore-based concern Bharti Airtel Holdings Pte Limited.
On September 8, 2013, Airtel Bangladesh received 5 MHz 3G spectrum with 1.25 million US$.