Oppo How to Set Default SIM card for Mobile data

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In addition to calls, a standard SIM card for mobile data can also be changed and the device will only use the specified SIM card for mobile data.

Note: After changing the default SIM card, the device will search for a network again.

Android 11 | ColorOS 11.0
How to Set Default SIM card for Mobile data - Tap on Settings
How to Set Default SIM card for Mobile data - Tap on  SIM card & mobile data
How to Set Default SIM card for Mobile data - Tap on Mobile data
How to Set Default SIM card for Mobile data - Choose  SIM 1/2
  1. Tap on Settings
  2. Tap on SIM card & mobile data
  3. Tap on Mobile data
  4. Choose SIM 1/2
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