This document describes how to use the 1TopSpy cell phone tracking software to track a husband's LINE messages. It explains that 1TopSpy allows you to track the GPS location, text messages, call logs, social media messages, photos and more of any mobile phone. It provides instructions on downloading and installing 1TopSpy on the target phone and accessing the tracking features from another device. Customer testimonials praise 1TopSpy for allowing worried parents and employers to discreetly monitor a phone's activity.