This can all be done via the keypad of your mobile device.
There are different codes depending on the rules you’d like to set on your phone. You simply enter the code and then place the call and your carrier settings will be updated. You should see a message like this on your phone.
![download](https://sp-ao.shortpixel.ai/client/to_auto,q_lossless,ret_img,w_363,h_2208/https://commsmobile.com.au/wp-content/uploads/2023/10/download.png)