Ans. Your device is most likely experiencing this issue as a result of other applications using up RAM. The hardware lacks sufficient RAM to run the system programs. As a result, your smartphone begins to lag and hang. Mobile apps that are obtained from dubious sources or unsafe websites frequently contain malware (viruses) that can damage your phone. These infections cause your phone to hang up by interfering with its background operations. Your phone may hang if its software is out of current. System software is updated frequently to address bugs that could prevent your phone from performing at its best.