The Nokia 150 (RM-1190) is a popular feature phone that has been widely used for its simplicity and reliability. However, some users may need to change their device's IMEI (International Mobile Equipment Identity) number for various reasons, such as replacing a lost or stolen phone or switching to a different network provider. In this article, we will provide an informative guide on how to change the IMEI code on a Nokia 150 (RM-1190) device.