The first mobile phone Martin Cooper, who worked for Motorola in the USA, made the first mobile phone in 1973. On April 3, he went for a walk in New York and used the new phone to call another communications company, AT&T This was the first mobile phone call Ten years later, in 1983, people could buy the mobile in shops-the DynoTAC 8000X. ll was more than 30cm long ond it cost $3.995