Oppo, being one of the devices running the Android operating system, has a similar method to enable displaying battery percentage as with enabling Android battery percentage in general.
GUIDE TO ENABLE BATTERY PERCENTAGE DISPLAY ON OPPO
To display battery percentage (%) on Oppo devices, navigate to the Settings of your device (as shown in the image below).
Select the Display tab and scroll down a bit. You may not need to scroll as the Battery percentage option is often near the top. Here, simply tap or toggle this option to the right.
Wait until they turn green.
Now, pay attention next to the battery icon where the percentage is clearly displayed.
Learn how to enable battery percentage display on Oppo phones with our step-by-step guide. Additionally, for iPhone users, you can also follow similar steps. Check out our guide on enabling battery percentage display on iPhone if you're unsure how to do it. Wishing you success!
Refer to our guide for enabling battery percentage display on Oppo phones. You can also perform similar steps for iPhones. Good luck!