Where is oppo mobile phone information set?

If you need to adjust the font size of SMS, you can set it as follows ~

You can go to the phone "Settings > Display and brightness >; Font size ",adjust the font size.

Tips: ① Some models cancel the two-finger zoom function in the interface during SMS, and the operation shall be subject to the actual situation.

② On the ColorOS 12 system, you can double-click the message to enlarge the font size of the message, so that you can better view the content of the message.