Apple iPhone 12 Pro

Apple iPhone 12 Pro

iOS 18

iOS 18 iOS 17 iOS 16.0

Select settings for dual SIM functionality on your Apple iPhone 12 Pro iOS 18

Read help info

In addition to your normal SIM, you can also use an eSIM in your phone. You can select which price plan you want to use for calls, messages and mobile data. To select settings for dual SIM functionality, you need to activate your eSIM.

Step 1 of 13

1. Find "Mobile Service"

Press Settings.

Step 2 of 13

1. Find "Mobile Service"

Press Mobile Service.

Step 3 of 13

2. Select default price plan for mobile data

Press Mobile Data.

Step 4 of 13

2. Select default price plan for mobile data

Press the required price plan.

Step 5 of 13

3. Turn automatic selection of price plan for mobile data on or off

Press the indicator next to "Allow Mobile Data Switching" to turn the function on or off.

You can set your phone to switch price plan automatically depending on the coverage and signal strength in your area.

Step 6 of 13

3. Turn automatic selection of price plan for mobile data on or off

Press arrow left.

Step 7 of 13

4. Select default price plan for voice calls and text messaging

Press Default Voice Line.

Step 8 of 13

4. Select default price plan for voice calls and text messaging

Press the required price plan.

Step 9 of 13

4. Select default price plan for voice calls and text messaging

Press arrow left.

Step 10 of 13

5. Turn use of price plan on or off

Press the required eSIM below "SIMs".

Step 11 of 13

5. Turn use of price plan on or off

Press the indicator next to "Turn On This Line" to turn use of the price plan on or off.

You can temporarily turn use of a price plan on or off if needed. Please note that this is not the same as cancelling a price plan.

Step 12 of 13

5. Turn use of price plan on or off

Press arrow left.

Step 13 of 13

6. Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

1. Find "Mobile Service"

Press Settings.

Press Mobile Service.

2. Select default price plan for mobile data

Press Mobile Data.

Press the required price plan.

3. Turn automatic selection of price plan for mobile data on or off

Press the indicator next to "Allow Mobile Data Switching" to turn the function on or off.

You can set your phone to switch price plan automatically depending on the coverage and signal strength in your area.

Press arrow left.

4. Select default price plan for voice calls and text messaging

Press Default Voice Line.

Press the required price plan.

Press arrow left.

5. Turn use of price plan on or off

Press the required eSIM below "SIMs".

Press the indicator next to "Turn On This Line" to turn use of the price plan on or off.

You can temporarily turn use of a price plan on or off if needed. Please note that this is not the same as cancelling a price plan.

Press arrow left.

6. Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.