https://www.theregister.co.uk/2018/10/26/china_trump_huawei_phone_spying/

Cheeky Huawei has advised the President of the United States to use one of its own Chinese-designed phones to avoid eavesdropping.

The New York Times reported this week that alongside his government-issued secure line, Donald Trump frequently made calls to associates using a regular old insecure consumer network and his personal iPhone.