Nokia 3310 Factory Reset | Unlock Nokia 3310 Security PIN: Read the post to perform factory reset on Nokia 3310 2017 using code. No need to use any Nokia pc tool to unlock Nokia 3310 2017 Smartphone. Simply enter the Nokia unlock code and reset Nokia 3310 mobile easily. For additional, we will show you how to unlock Nokia 3310 using Pc tool? Both methods are working and tested by 99mediasector team. If you are unable to unlock Nokia 3310 using code then follow the pc method.