*#7370# : Performs a Deep Reset. This wipes all data and restores the phone to factory settings (requires the security code, default is 12345).
If you want to troubleshoot a specific network issue on your device, tell me: What exact appears on your screen? Is your phone a Single-SIM or Dual-SIM variant? nokia 130 imei change code list best
The pursuit of technical knowledge should always be balanced with ethical considerations and compliance with the law. The temptation to explore shortcuts or workarounds with device identifiers like the IMEI should be carefully weighed against potential consequences. *#7370# : Performs a Deep Reset