Oppo How to Set Default SIM card for Mobile data
Oppo 2581
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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
- Tap on Settings
- Tap on SIM card & mobile data
- Tap on Mobile data
- Choose SIM 1/2
