It typically requires inputting the phone's 15-digit IMEI to generate a corresponding +pw+ code to be typed into the keypad.
For many older smartphones, you can turn off the phone, then hold the Volume Down and Power buttons (or Camera + Power on Lumias) to enter recovery mode and wipe the device. nokia-security-code-removal-tool-v1-8-4-free-download
Does not require an internet connection, as it relies on a local algorithm. Limitations and Risks It typically requires inputting the phone's 15-digit IMEI
As a legacy tool, it is generally available free of charge and often requires no installation. you can turn off the phone
The Nokia Security Code Removal Tool v1.8.4 is only recommended for very old, keypad-based Nokia feature phones. For any smartphone built within the last 10-15 years, this tool will not work.