Table of contents

Enable or Disable SIM card Default SIM card for calls Default SIM card for mobile data Display name of SIM card

Enable or Disable SIM card

SIM cards can be activated or deactivated on the Oppo Smartphone independently of each other. For example, to be unreachable on a SIM card, it does not have to be forcibly removed from the device. To do this, it is sufficient to activate (or deactivate) the switch in the settings.

Android 10 (ColorOS 7.0)
Step 1:  Open the  Settings
Step 2:  Tap on  SIM card & mobile data
Step 3:  Choose desired  SIM card
Step 4:  Enable or Disable  Enable
  1. Open the Settings
  2. Tap on SIM card & mobile data
  3. Choose desired SIM card
  4. Enable or Disable Enable

Default SIM card for calls

If two SIM cards are inserted in the Oppo Smartphone, the default SIM card can be determined for calls, and the defined SIM card is used for outgoing calls.

Android 10 (ColorOS 7.0)
Step 1:  Open the  Settings
Step 2:  Tap on  SIM card & mobile data
Step 3:  Tap on  Calling
Step 4:  Choose between  SIM1,   SIM2  and  Always Ask
  1. Open the Settings
  2. Tap on SIM card & mobile data
  3. Tap on Calling
  4. Choose between SIM1, SIM2 and Always Ask

Default SIM card for mobile data

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 10 (ColorOS 7.0)
Step 1:  Open the  Settings
Step 2:  Tap on  SIM card & mobile data
Step 3:  Tap on  Mobile data
Step 4:  Choose between  SIM1  and  SIM2
Step 5:  Confirm with  Switch
  1. Open the Settings
  2. Tap on SIM card & mobile data
  3. Tap on Mobile data
  4. Choose between SIM1 and SIM2
  5. Confirm with Switch

Display name of SIM card

On Oppo smartphones with dual SIM, the SIM cards are named SIM1 and SIM2 by default. To make the SIM cards more easily distinguishable, the name of the respective cards can be changed as required. The maximum permitted length is ten characters.

Android 10 (ColorOS 7.0)
Step 1:  Open the  Settings
Step 2:  Tap on  SIM card & mobile data
Step 3:  Choose desired  SIM card
Step 4:  Tap on  SIM card name
Step 5:  Enter desired  Card Name  and confirm with  Save
  1. Open the Settings
  2. Tap on SIM card & mobile data
  3. Choose desired SIM card
  4. Tap on SIM card name
  5. Enter desired Card Name and confirm with Save

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