If your phone is showing "Invalid SIM" or is blacklisted, "changing" the IMEI is not the correct solution. Instead, consider these legal alternatives:
It is critical to distinguish between a corrupted IMEI and changing an IMEI to a different number. nokia 108 rm 961 imei change code new
Once the process is complete, disconnect the phone, insert a SIM card, and power it on. Your network signal should return. If your phone is showing "Invalid SIM" or