In his show with Bear Grylls he said he can't carry a phone for security reasons as they are too easy to track. So I font know if his desire to have a phone has

In his show with Bear Grylls he said he can't carry a phone for security reasons as they are too easy to track. So I font know if his desire to have a phone has been overridden as I do recall him insisting on keeping this in his early presidency. Though I thought not having a phone for anti-tracking is strange as he borrowed his aides phone for the photos. So couldn't 'whoever' simply track his inner circles phones? In which case he may as well carry a phone and an agent secures the phone for anything where tracking could be an issue?