iphone 11 Pro max dual nano

I was given iPhone 11 Pro Max with dual nano SIM, which I am using in Indonesia. However, I cannot use both SIM card at the same time. My friend has the same phone & he can use both numbers at the same time (so both are active/callable). Can anyone help?

iPhone 11 Pro Max

Posted on Feb 6, 2021 1:58 AM

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Posted on Feb 6, 2021 2:05 AM

To use two different carriers, your iPhone must be unlocked. Otherwise, both plans must be from the same carrier. If a CDMA carrier provides your first SIM, your second SIM won't support CDMA. Contact your carrier for more information. 


If you have an enterprise or corporate cellular service plan, check with your company administrator to see if they support this feature.

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Question marked as ⚠️ Top-ranking reply

Feb 6, 2021 2:05 AM in response to nita113

To use two different carriers, your iPhone must be unlocked. Otherwise, both plans must be from the same carrier. If a CDMA carrier provides your first SIM, your second SIM won't support CDMA. Contact your carrier for more information. 


If you have an enterprise or corporate cellular service plan, check with your company administrator to see if they support this feature.

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iphone 11 Pro max dual nano

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