. While these menus allow for hardware testing and frequency adjustments, modern firmware has increasingly locked down the ability to modify the IMEI directly through the keypad to prevent unauthorized tampering. The Legal and Security Implications

Changing the IMEI of your Nokia 150 (RM-1190) or any device should not be taken lightly. It can have legal and functional implications. Always ensure you understand the process fully and have taken necessary precautions, like backing up your data. If you're unsure, consider consulting with a professional or contacting Nokia support for guidance tailored to your situation.

To view your device's original IMEI number, you can dial on the keypad . This unique 15-digit identifier is used by networks to verify the device's identity . Nokia 150 / HMD RM-1190 - DeviceAtlas Nokia 150 / HMD RM-1190 | DeviceAtlas. DeviceAtlas What is an IMEI number and how do you find it? - O2

If you are having trouble with your phone's network connection or if the device is locked, I can help you find: authorized to handle Nokia hardware. Official support channels for Nokia/HMD Global.