If your Nokia 100 shows "SIM Restricted" or asks for a "Network Unlock PIN," it is likely locked to a specific carrier like Vodafone or Rogers.
If you are locked out of the phone's menu, try the following factory defaults or reset codes: Nokia 130 User Guide - HMD nokia model 100 type rh 130 unlock code portable
If your Nokia 100 shows "SIM Restricted" or asks for a "Network Unlock PIN," it is likely locked to a specific carrier like Vodafone or Rogers.
If you are locked out of the phone's menu, try the following factory defaults or reset codes: Nokia 130 User Guide - HMD