T-Mobile US and Sprint have been given permission to go ahead with their proposed merger after national security reviews cleared the deal, which is now expected to be finalised in the first half of 2019.

American companies T-Mobile US and Sprint have cut a deal with US national security authorities to get a proposed merger approved, by agreeing to put a brake on using equipment from Chinese telecommunications giant Huawei.

The four big US mobile carriers — AT&T, Sprint, T-Mobile, and Verizon — have announced they are setting up a Mobile Authentication Taskforce that will implement an initiative named Project Verify which will, according to them, be the future of mobile authentication.