Joke Collection Website - Public benefit messages - How does vivox9 set the information size?

How does vivox9 set the information size?

Open any SMS interface first, then touch the screen with two fingers and draw to both sides, the font will become larger, otherwise it will become smaller.

Vivo X9 is a brand-new camera phone officially exposed by vivo smartphone on1October 20th11/and officially released in Beijing Water Cube on1October 20th16th. 2065438+On March 3rd, 2007, vivo introduced a new matte black version for X9.