Oppo How to Add birthday to a contact
Oppo 6Contacts on the Oppo smartphone can also be added to the birthday, and apart from saving the birthday, ColorOS offers no other functions such as reminders or the like.
Android 10 (ColorOS 7.0)





- Open the Contacts-App
- Tap on Contact you want
- Open the Menu
- Tap on Edit
- Tap on Birthday
- Enter Birthday and confirm with Save