The is a classic feature phone released in early 2017. While many users search for an "IMEI change code" to resolve issues like "Invalid SIM" or network blocks, it is important to understand both the technical and legal reality of such requests. The Legal and Technical Reality of IMEI Modification

You're looking for a guide on how to change the IMEI on a Nokia 150 (RM-1190) device. Before I provide the steps, please note that:

For the RM-1190, the IMEI is hard-coded into the hardware's security partition. Simple keypad codes usually won't work. Professional technicians typically use:

nokia 150 rm 1190 imei change code