1, enter iHousekeeper-Security Detection-Scan and Clean Virus;
2. Enter Settings-System Management/More Settings-Backup and Reset-Clear all data, view format storage or SD card-Clear immediately;
Note: This operation 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, installed applications, other data introduced during the use of the mobile phone, etc. Please back up the important data on your mobile phone before operation.
3. If the above methods can't be solved, please back up the important data of the mobile phone in advance and take it to the vivo customer service center for testing and processing. (Address and contact telephone number of vivo customer service center: Go to the "vivo official website /vivo Mall" APP-My service outlet or click this link to enter and select the current city. )
Tips: It is recommended to bring relevant purchase vouchers (such as purchase invoices/warranty cards/ID cards) when you go, and call the service center staff in advance to ensure that the staff will go again during normal working hours, avoid running empty, and pay attention to safety on the way back and forth.