In the Nokia 1100’s DCT4 architecture, the IMEI is "burned" into a protected, read-only area of the hardware.
Contrary to many online claims and viral videos, there is that can permanently change the IMEI on a Nokia 1100. nokia 1100 imei change code
The interest in modifying a Nokia 1100's IMEI often relates to its unique history and specific regional needs: In the Nokia 1100’s DCT4 architecture, the IMEI
To reset all settings, grab your Nokia phone. Dial the code *#7780#. Then simply type in the Nokia default security code 12345. In the Nokia 1100’s DCT4 architecture