Here’s a hint, he uses a Windows Mobile device called the Sectéra Edge.  This bad boy is NSA approved with dedicated ports and keys for classified and unclassified information.  Additionally, this phone is built like a tank, ruggedized to protect against drops, shocks, extreme temperatures, water, dust, humidity, and altitude.  Sure the thing is like talking in a brick, but Obama’s such a baller that even he can make squares look smooth.