Network signal fluctuations when physical sim and eSIM are active together

The network fluctuates when both physical sim and eSIM are active simultaneously. The iPhone sometimes fails to identify physical sim as well. The ios is the latest version. The issue is more when in a low network coverage area. When you move from a low network coverage area ( like basement parking) to a normal signal area, iPhone fails to connect to physical sim, and gets reconnected when the iPhone is restarted, but the network fluctuation issue on both physical and eSIM persists.

iPhone XS, iOS 17

Posted on Dec 19, 2023 1:55 AM

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1 reply

SravanKrA

Level 10

431,548 points

Dec 19, 2023 4:16 AM in response to JPJacob

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

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

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Network signal fluctuations when physical sim and eSIM are active together

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