Unlock codes are completely safe for your Nokia.
You should be 100% sure of phone network and country. In case of wrong network provided, you run the risk of reciving wrong code.
You also need to be sure that your IMEI number is given correctly.
Nokia LUMIA NOT Supported
2020-02-20 10:32:01 ravindra
Unlocking Nokia 3310 3G - Great service Instant solution for network lock