![OPPO A57 4G](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ccc1f389-7e5c-4ef2-86b2-dac3129e8544.png?width=150&height=320)
OPPO A57 4G
Android 12.0
1. Find "Number"
Press the phone icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9a7d7d49-1709-4d0b-a490-fcda21ff950e.png?width=200&height=446)
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a9aac45e-7970-451e-be6a-d40ab4116311.png?width=200&height=446)
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-309f902f-a0fa-435f-b67f-8e108b0fc885.png?width=200&height=446)
Press Voicemail.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-11399575-88fb-4531-9bff-d90b38e7f797.png?width=200&height=446)
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ac6e1ada-c4b1-4b25-8fa0-09a4de138c13.png?width=200&height=446)
Press Advanced Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1729263b-30d3-4fa9-900d-d4e3ab608e68.png?width=200&height=446)
Press Number.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b36ef2c3-c25e-401a-85df-2b1e7d4cc493.png?width=200&height=446)
2. Save voicemail number
Key in +447836121121 and press the confirm icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4e0fc370-e5dc-443a-b881-0c8d1630317f.png?width=200&height=446)
+447836121121
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b36ef2c3-c25e-401a-85df-2b1e7d4cc493.png?width=200&height=446)