Direct answer
Use eSIM Quick Transfer only when the carrier and both phones offer it. If the line cannot transfer, keep the old eSIM active and obtain the carrier's activation path; do not delete the working line as a troubleshooting step.
What this covers
- Carrier-supported eSIM transfer between compatible iPhones
- The exact condition described in the direct answer
- Customer-accessible observations and controls
What it does not cover
- ×A different model, region or software interface that contradicts the cited source
- ×A displayed code with a separate manufacturer meaning
- ×Live electrical, gas, sealed-system or battery-cell repair
Establish the exact starting state
ReversibleConfirm carrier support, Wi-Fi, both Apple Accounts, device unlock state and access to the old phone.
Separate the fault or decision boundary
ReversibleCheck whether Add eSIM offers Transfer From Nearby iPhone; if not, the carrier—not a network reset—is the next boundary.
Apply the narrowest correction
ReversibleApprove the transfer on the old phone or use the carrier app, QR code or activation assistance provided for that line.
Verify before escalating
ReversibleConfirm the carrier name, mobile data, inbound/outbound calls, SMS and emergency-address requirements before removing the old device.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What is the short answer to “Move an eSIM to a new iPhone safely”?+
Use eSIM Quick Transfer only when the carrier and both phones offer it. If the line cannot transfer, keep the old eSIM active and obtain the carrier's activation path; do not delete the working line as a troubleshooting step.
What should I check before changing anything?+
Confirm carrier support, Wi-Fi, both Apple Accounts, device unlock state and access to the old phone.
How do I know the action worked?+
Confirm the carrier name, mobile data, inbound/outbound calls, SMS and emergency-address requirements before removing the old device.
When should I stop?+
Deleting the only active eSIM can leave the line unavailable until the carrier issues a replacement activation.
Answer for the exact device and software version shown above.