French consumer law (Article L224-68 of the Code de la consommation) requires operators to unlock phones free of charge after a certain period (usually 3 months post-activation or after contract end).
Some versions of the SFR 101 can be unlocked using a specific key sequence if the calculator app is present: Open the . zte sfr 101 unlock code calculator full
: Power off the phone and insert a SIM card from a non-SFR network provider. Power on : Turn the phone back on. French consumer law (Article L224-68 of the Code