Some tools in this category could write or repair a corrupted IMEI number. While useful for reviving a bricked phone, this feature was often abused for cloning devices—an illegal practice.
For the time, the features offered by this tool were revolutionary: 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. Some tools in this category could write or
Many Nokia feature phones had engineering or test modes disabled by default. The Rollis tool could overwrite PM (Permanent Memory) fields to unlock the "Net Monitor" menu or activate flashlight toggle options. nokia tool by rollis 18 startimesepub