People rarely stop to think about lifts. They simply step in, press a button, and expect a smooth ride. Behind the scenes, however, there are a growing number of engineers and systems keeping elevators safe and reliable – and sim cards play a far greater role in this than many first imagine. What started out as a simple means to ensure emergency communications is quietly evolving into a failsafe scaffolding for smarter, safer, more responsive lift operations, helping transform the entire lift industry.