The Nokia 150 (RM-1190) is a basic feature phone released under HMD Global. Unlike older Nokia models, these devices run on the platform. Common "Secret" Codes

The process of changing the IMEI of a Nokia 150 (RM-1190) involves using a specific code. Here is the code:

Before exploring the technical side of feature phone firmware, you must understand the legal context. Modifying or replacing an IMEI number is illegal in many jurisdictions, including the United Kingdom, Europe, and India.

Hold down the (or sometimes the * Call button*, depending on the specific firmware revision) while plugging in the micro-USB cable.

While older feature phones sometimes had hidden master dial codes that opened hardware test menus, modern iterations manufactured by HMD Global have patched these backdoors for security and compliance. Official Nokia 150 Diagnostic & Reset Codes

Standard dialer codes on this device only serve diagnostic functions: : Displays the current IMEI number.

💡 If your phone is not connecting to a network, it is usually a SIM card issue or a regional frequency mismatch rather than an IMEI problem. Try a different SIM before seeking technical repairs.

Ensure the device is compliant with local regulatory authorities (such as PTA, TRA, or CE standards) depending on your country. Unregistered imported devices are often blocked automatically.

Once an IMEI repair has been executed, verify that the operation was successful by crossing-referencing your digital software ID with the physical hardware label:

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:

Stop stolen or lost devices from accessing cellular services.