To switch phone numbers for a call:
- Go to 'Settings' > 'Network & Internet' > Choose the SIM you would like to manage call settings for > 'Call preference' > Select your desired number.
To choose which number to use data with:
- Go to ‘Settings’ > 'Network & Internet'' > Choose the SIM you would like to manage data settings for > Turn on ‘Mobile data’.
To choose which number to send SMS and MMS from:
- Open Messages > ‘Start chat’ or open an existing conversation > Enter your contact’s name
- Tap the icon to the right of the text bar and choose the SIM you would like to use.
You can also follow these steps to change the default SIM for your messages.
- Go to 'Settings' > 'Network & Internet' > Choose the SIM you would like to manage SMS and MMS settings for > ‘SMS preference’ > Select your desired number.