Answer:
Factory Reset Settings
Step-by-step explanation:
The factory reset settings is displayed at lock mode when the user (Gaetan) is asked to enter a phrase.
The factory reset settings enables Gaetan to restore his phone to its original system state by clearing all of the information that has been previously saved stored on the phone in an attempt to restore the device to its original manufacturer settings.
But he can only access this setting in either of the following ways
1. Through the settings application on his phone.
2. By entering a phrase which gives him access directly to the factory reset settings.