eSIM network switching and connection issues on iPhone 13

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eSIM network switching and connection issues on iPhone 13

Subject: Network switching issues on iPhone 13 with eSIM

Question:

I have an iPhone 13. My Kyivstar operator is connected via eSIM, and Vodafone is connected via a physical SIM card.

When I am on the move (for example, in a car), the connection on the eSIM occasionally drops, while the physical SIM maintains a stable connection.

Additionally, I noticed that switching from Edge or 3G to LTE (4G) takes a long time on the eSIM. On the physical SIM, switching happens quickly, as expected.

Question: Is this normal behavior for eSIM, or could there be an issue with network settings/operator?

[Re-Titled by Moderator]

Original Title: submit connection to esim

iPhone 13, iOS 18

Posted on Aug 31, 2025 7:00 AM

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Answer 1

Aug 31, 2025 7:21 AM in response to lksrvl

There should not be any discernible performance difference between any particular carrier’s nanoSIM and an eSIM.

However, you have 2x different carriers; each with their own specific configuration of as-provisioned on-phone account settings and land-side infrastructure …

… so your experience is not a true Apples-to-Apples comparison.

Two carriers also make the troubleshooting of any “handover” issues challenging. 🙁

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Answer 2

Aug 31, 2025 8:54 AM in response to lksrvl

It might be more informative — and make for a somewhat better comparison — if you were to convert your Vodaphone nanoSIM to eSIM.

Your dual-SIM iPhone 13 does support 2x simultaneously-active eSIMs.

Source:

Using Dual SIM with an eSIM - Apple Support

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eSIM network switching and connection issues on iPhone 13

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