Ability to rebuild or repair corrupted IMEI data (use only for legal restoration purposes).
Repairing corrupted or blank IMEI strings after severe software crashes or failed flash attempts. nokia tool by rollis 18 startimesepub
Most older Nokia feature phones were SIM-locked to specific carriers. The Rollis 18 tool would generate unlock codes using the phone’s IMEI number, allowing users to switch carriers for free. Ability to rebuild or repair corrupted IMEI data