OPPO Find X3 Lite
Saving voicemail number
You can save your voicemail number making it easy to call and listen to your voice messages.
Press the phone icon.
Press the menu icon.
Press Settings.
Press Voicemail.
Press the required SIM.
Press Advanced Settings.
Press Number.
Key in +447953222222 and press the confirm icon.
Press the Home key to return to the home screen.