There are many contacts and messages in the address book of Vivo mobile phone. How to adjust the normal proportion? "?"

The font of the short message interface of vivo mobile phone can be enlarged and reduced independently (without affecting the font size of the system). When the font of SMS becomes larger, you can open the information details interface, press and hold the screen with two fingers and slide relatively (two fingers slowly close together) to reduce the font. If you want to adjust the font information of other contact interfaces, you can select the required font resource application operation in the I theme-My Font of the mobile phone.