ZTE Axon 20 5G has been launched and is the “world’s first smartphone with an under-display camera”. The company has been teasing the phone for a few weeks now and it has finally been made official in China.ZTE Axon 20 5G has been launched and is the “world’s first smartphone with an under-display camera”. The company has been teasing the phone for a few weeks now and it has finally been made official in China.