Been Wondering About This

The security issue is not related to whether it's a private or government cell phone. It's the fact that it's not a secure landline. The "SS7 exploit" allows foreign governments to listen to cell phone conversations because of a flaw in the cell networks, not the type of phone. https://t.co/xn2eFgnW6s

— Ted Lieu (@tedlieu) December 7, 2019

Trump's tweets are all from an iPhone. Giuliani calls everybody on his cell phone.