The LEX L10i Mission Critical LTE Handheld is purpose-built to deliver the Public Safety Experience (PSX) that responders need to work faster, safer and smarter. It addresses the unique requirements of public safety personnel by delivering the mission critical capabilities not available on consumer-grade smart-phones. The device is equipped with the PSX User Interface that is customizable, role-based, and adaptive. It intelligently aggregates and prioritizes information to only present what is critical for the user, based on their current status and activity.