How to restore hidden mobile phone contacts?

Vivo mobile phone can refer to the following operations:

1, Origin OS/iQoUI/FunTouch OS 3.0 and above systems set contact encryption.

Enter the mobile phone-long press the contact to be encrypted-encrypt/encrypt the contact-enter the privacy password to complete the encryption. After encryption, the contact number will not be displayed in the address book, which can prevent the third-party APP from reading the address book information, and it is necessary to verify the password when viewing the conversation, call and contact information.

2. Contact encryption is set for systems below 2.Funtouch OS 3.0.

Enter I Housekeeper-Privacy Space-Communication-The "+"sign in the upper right corner-Select the contact to encrypt-Done. After encryption, the contact number will not be displayed in the address book, which can prevent the third-party APP from reading the address book information, and it is necessary to verify the password when viewing the conversation, call and contact information.