If you don't remember the verification answer, please back up the data, and then enter the recovery mode-clear data-clear all data and reset the password.
Note: "Clear all data" will restore the mobile phone to its initial state and delete all data in the system space of the mobile phone, including account number, system and application data and settings, and installed applications. Please back up the important data on your mobile phone before operation.
How to enter recovery mode:
1. Folding screen: unfold the operation in the power-off state, press and hold the "power button" and "volume plus button" for about 5 seconds to enter the fast boot mode, press the volume button to select "Enter recovery", and press the power button to confirm the entry.
2.2065438+Equipment listed after September, 2007: Press and hold the "power button" and "volume plus button" for about 5 seconds when shutting down, enter the fast boot mode, press the volume button to select "Enter Recovery", and press the power button to confirm entry? .
NEX？ 3/NEX？ 3S: Press and hold the top wheel key for about 1.5 seconds in the power-off state, then press and hold the volume plus key to enter the quick start mode, and press the volume key to select "Enter Recovery"? Press the power button to confirm the input.
4.2065438+Vehicles listed before September 2007: Press and hold the "Power button" and "Volume Plus button" for about 5 seconds at the same time to enter the recovery mode.
If you still have more doubts, you can enter vivo official website-My-Online Customer Service-Enter labor and consult online customer service feedback.