OPPO Reno8 5G
![f-5dcec46d-939d-48da-a3b8-379a596beb3e](http://wmstatic.global.ssl.fastly.net/ml/120824-f-5dcec46d-939d-48da-a3b8-379a596beb3e.png?width=140&height=200)
![f-5692557d-4ca8-4fef-b912-144ff5022f2d](http://wmstatic.global.ssl.fastly.net/ml/120824-f-5692557d-4ca8-4fef-b912-144ff5022f2d.png?width=140&height=200)
![f-27daa849-02e2-460a-9d32-fbbaf4d8d157](http://wmstatic.global.ssl.fastly.net/ml/120824-f-27daa849-02e2-460a-9d32-fbbaf4d8d157.png?width=140&height=200)
![f-3cd3a3f1-69c2-4fbf-b435-805679f549b8](http://wmstatic.global.ssl.fastly.net/ml/120824-f-3cd3a3f1-69c2-4fbf-b435-805679f549b8.png?width=140&height=200)
![f-3b400d1f-3e6f-4ce6-8785-5e035935c235](http://wmstatic.global.ssl.fastly.net/ml/120824-f-3b400d1f-3e6f-4ce6-8785-5e035935c235.png?width=140&height=200)
![f-4122ed3c-b11f-4c4b-b100-c9131d41878f](http://wmstatic.global.ssl.fastly.net/ml/120824-f-4122ed3c-b11f-4c4b-b100-c9131d41878f.png?width=140&height=200)
It's not possible to make voice calls
Solution 1 of 11: Fixed dialling is turned on
When fixed dialling is turned on, you can only call selected numbers and do emergency calls. Incoming calls aren't affected.
![Press the phone icon. Press the phone icon.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-3d14977b-98fa-4d41-9f3e-1771b1971adf.png?width=226&height=502)
![Press the phone icon. Press the phone icon.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-3d14977b-98fa-4d41-9f3e-1771b1971adf.png?width=336&height=746)
Press the phone icon.
![Press the menu icon. Press the menu icon.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-12d00569-28d6-4ce0-983d-9fac167e5ad3.png?width=226&height=502)
![Press the menu icon. Press the menu icon.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-12d00569-28d6-4ce0-983d-9fac167e5ad3.png?width=336&height=746)
Press the menu icon.
![Press Settings. Press Settings.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-94ef80d7-f767-4ea6-9235-35c60045bcc9.png?width=226&height=502)
![Press Settings. Press Settings.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-94ef80d7-f767-4ea6-9235-35c60045bcc9.png?width=336&height=746)
Press Settings.
![Press Calling accounts. Press Calling accounts.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-074b3a73-a329-4fa8-ae3e-a644a95b058d.png?width=226&height=502)
![Press Calling accounts. Press Calling accounts.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-074b3a73-a329-4fa8-ae3e-a644a95b058d.png?width=336&height=746)
Press Calling accounts.
![Press Advanced settings. Press Advanced settings.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-ac9f8296-cd8e-42d6-953b-eead885529bb.png?width=226&height=502)
![Press Advanced settings. Press Advanced settings.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-ac9f8296-cd8e-42d6-953b-eead885529bb.png?width=336&height=746)
Press Advanced settings.
![Press Fixed dialling numbers. Press Fixed dialling numbers.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-4655536f-8f35-4ebf-bb5f-51ce561e8f9d.png?width=226&height=502)
![Press Fixed dialling numbers. Press Fixed dialling numbers.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-4655536f-8f35-4ebf-bb5f-51ce561e8f9d.png?width=336&height=746)
Press Fixed dialling numbers.
![Press the required SIM. Press the required SIM.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-9048a83f-ba01-4601-998c-dc4799e0445f.png?width=226&height=502)
![Press the required SIM. Press the required SIM.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-9048a83f-ba01-4601-998c-dc4799e0445f.png?width=336&height=746)
Press the required SIM.
![Press Enable FDN. Press Enable FDN.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-59609933-2e88-42d2-a11b-b17fc5a4dd4a.png?width=226&height=502)
![Press Enable FDN. Press Enable FDN.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-59609933-2e88-42d2-a11b-b17fc5a4dd4a.png?width=336&height=746)
Press Enable FDN.
![Key in the PIN2 and press the confirm icon. The default PIN2 is 0000. Key in the PIN2 and press the confirm icon. The default PIN2 is 0000.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-ffb28963-9a78-42db-80c4-5fcca1a5eb6b.png?width=226&height=502)
![Key in the PIN2 and press the confirm icon. The default PIN2 is 0000. Key in the PIN2 and press the confirm icon. The default PIN2 is 0000.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-ffb28963-9a78-42db-80c4-5fcca1a5eb6b.png?width=336&height=746)
Key in the PIN2 and press the confirm icon. The default PIN2 is 0000.
![Press Disable FDN. Press Disable FDN.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-07a511fe-a586-4039-b951-bf7e6cccacae.png?width=226&height=502)
![Press Disable FDN. Press Disable FDN.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-07a511fe-a586-4039-b951-bf7e6cccacae.png?width=336&height=746)
Press Disable FDN.
![Key in the PIN2 and press the confirm icon. The default PIN2 is 0000. Key in the PIN2 and press the confirm icon. The default PIN2 is 0000.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-0dea1a04-33fc-4f4a-857e-cca9f63f5d34.png?width=226&height=502)
![Key in the PIN2 and press the confirm icon. The default PIN2 is 0000. Key in the PIN2 and press the confirm icon. The default PIN2 is 0000.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-0dea1a04-33fc-4f4a-857e-cca9f63f5d34.png?width=336&height=746)
Key in the PIN2 and press the confirm icon. The default PIN2 is 0000.
![Press the Home key to return to the home screen. Press the Home key to return to the home screen.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-59609933-2e88-42d2-a11b-b17fc5a4dd4a.png?width=226&height=502)
![Press the Home key to return to the home screen. Press the Home key to return to the home screen.](http://wmstatic.global.ssl.fastly.net/ml/120824-f-59609933-2e88-42d2-a11b-b17fc5a4dd4a.png?width=336&height=746)
Press the Home key to return to the home screen.