Changing phones

eSIM Transfer to a New Phone: Carrier Number vs Travel Data Plan

To transfer an eSIM to a new phone, first identify what you are moving. A carrier phone number follows that carrier's supported transfer or activation process. A prepaid travel data plan follows its provider's device-change or reissue policy; do not assume its QR code works twice. A phone backup alone does not move cellular service. Keep the old phone and profile until the new service is confirmed.

First decisionNumber or travel data?

Before removalCheck provider policy

Finish lineTest the new service

The short answer

Two products, two transfer paths

The word eSIM names the digital SIM technology, not a universal right to move every plan. Your regular carrier line may carry your phone number, calls, texts, and mobile data. A travel eSIM is often a separate, prepaid data product with its own activation and device rules. If both are on the old phone, treat them as two separate moves.

Before you start, keep both phones charged and connected to Wi-Fi. Record the carrier or provider name, account or order reference, the new phone's exact model, and which line you want to move. Avoid erasing the old phone just because apps and photos restored successfully.

Identify the line

Carrier number or travel plan?

Write down each service separately if you use both.

Choose its method

Use the provider's current path.

Built-in phone transfer is an option only when supported.

Verify before wiping

Test the required service.

Do not treat the appearance of an eSIM label as a completed move.

Transfer map

Choose the path before touching the old profile

eSIM transfer decision: a carrier number uses carrier-supported transfer or activation; a travel data plan uses its provider's device-change policy. Test the new service before wiping the old phone. — One phone can contain both services. Move and verify each one independently.

Decision matrix

What are you actually trying to move?

Use the account that sold or issued the service, not a generic QR-code workaround.

Service, owner, and next action
Service on old phone	Who controls the move	First safe action
Everyday phone number	Your mobile carrier	Check its new-device activation options. Use a built-in transfer only if your carrier and both devices offer it.
Prepaid travel data plan	The travel eSIM provider	Read its device-change and reissue terms for your exact plan. Ask before deleting the current profile.
Both services	Two separate providers may be involved	Move the number and travel plan as separate tasks; verify each line's intended role on the new phone.
Photos, apps, contacts	Your phone backup or migration tool	Restore content, then handle cellular service separately. A restored app is not an active eSIM.

Carrier number

Moving a phone number from iPhone to iPhone

Apple's eSIM Quick Transfer is carrier-dependent. If it is not offered, use the carrier's activation route.

Check eligibility

Apple says Quick Transfer needs carrier support, both iPhones signed in to the same Apple Account, the previous iPhone unlocked and nearby with Bluetooth on, and both devices running iOS 18.4 or later. Check Apple's current instructions for your devices.

Start on the new iPhone

During setup, follow the offered cellular transfer prompt. If setup is already complete, use Settings > Cellular > Add eSIM and choose the transfer option if it appears. Confirm the prompt on the old iPhone and follow the on-screen steps.

Use the carrier path if needed

If the number is not eligible for Quick Transfer or the option is absent, ask the carrier for its current QR code, app, link, or activation process. Do not treat an option shown in another carrier's guide as a guarantee for yours.

Test the new line

Confirm the intended number appears and test an outgoing call, an incoming call or text, and mobile data. Be aware that completing a transfer can deactivate the old SIM; arrange a fallback connection first.

Changing operating systems

iPhone to Android, Android to iPhone, or Android to Android

Do not assume an iPhone-only Quick Transfer path applies across operating systems, or that all Android makers use the same menus. Check the carrier's published procedure for the exact old and new devices. The carrier may require a new eSIM activation, an app step, or support contact before the number moves.

For example, Cricket publishes its own eSIM number-transfer instructions with separate device paths. Those steps describe Cricket service; they are not a universal Android or iPhone policy. If an in-device transfer fails, stop repeated scans and ask your own carrier what it needs to assign the line to the new device.

For phone model and regional compatibility, use the exact model number rather than a marketing name. An unlocked phone and eSIM-capable hardware are prerequisites for using a different provider's service.

Travel data plan

Ask about reissue before removing a travel eSIM

Travel-plan reuse is a product rule, not a phone setting.

Find the specific plan

Open the provider account or order email. Note the plan name, destination, validity window, activation status, and order reference. Check whether its help page says a device change is allowed.

Ask the right question

Ask support whether this exact plan can be transferred or reissued to a new phone, and whether the old profile must remain installed until reissue. Request the supported installation method for the new device.

Do not assume QR reuse

A saved QR image is not evidence that another installation is permitted. Follow the provider's answer rather than deleting the old profile and testing blindly.

Check actual data service

Once the provider says the plan is ready, select the travel line for mobile data and follow that provider's roaming and network instructions. If you are outside the covered destination, record that live data cannot yet be verified.

No old phone

If the old phone is lost, broken, or already erased

A phone-to-phone prompt cannot be completed when the old device is unavailable. Contact the carrier for a new-device activation of the phone number. For a prepaid travel plan, ask its provider whether it can reissue the remaining service. Keep the account and order details ready; the provider may need to verify ownership and may set limits on replacement.

If the old phone was lost, handle account and device security through the carrier and device maker's official recovery process. Do not post an IMEI, EID, order number, or activation code in a public forum. Send identifiers only through the provider's official support channel.

Final verification

Prove the new service works before wiping the old phone

For a carrier number, test calling, texting, and mobile data with Wi-Fi off. Check that the expected number is attached to the new line. For a travel plan, verify the correct line supplies data under the provider's required roaming and network settings, ideally in the covered destination. A label that says “On” is not the same as a successful connection.

If the trip has not started, you may not be able to test destination-only data yet. Keep the provider's activation and reissue confirmation and avoid presenting an untested line as verified. Only erase or sell the old device after the required services are confirmed and the provider has told you whether its old profile needs removal.

Related guides

Keep setup and troubleshooting separate

This page is about moving service between devices. For device compatibility and first-time settings, use our eSIM for iPhone guide. If a new profile is installed but will not activate, follow the activation troubleshooting order without deleting it prematurely.

Do not confuse a phone backup with cellular activation.
Do not delete a travel profile before checking its reissue policy.
Do not copy another carrier's transfer steps without checking your own.
Do not wipe the old phone before the new service is tested.

FAQ

eSIM transfer questions

Does a phone backup transfer my eSIM?

No. A backup can restore phone content and settings, but it is not proof that the carrier number or travel data plan has moved. Use the carrier or provider transfer method and test service on the new phone.

Can I scan the same travel eSIM QR code on a new phone?

Do not assume so. QR-code reuse and device changes depend on that provider and plan. Check the written policy or ask support to reissue the profile before deleting it from the old phone.

Can I transfer an eSIM without the old phone?

A device-to-device transfer is unavailable if the old phone is lost or broken. Ask the carrier to activate the number on the new device, or ask the travel eSIM provider whether it can reissue the plan. Identity checks and eligibility vary.

When can I erase my old phone?

After the new phone shows the intended line and you have tested the services you need. For a carrier number, check calls, texts, and data. For a travel plan, check data where the plan is active; if you are not yet in its destination, obtain provider confirmation before erasing the old device.

Sources checked

Primary references for transfer methods

Reviewed September 26, 2026. Apple's instructions describe supported iPhone transfers; Cricket's instructions describe its own service. Your carrier and travel eSIM provider control eligibility, reissue, and activation for your specific plan.