How to Transfer an eSIM to a New Android Phone—and Fix Activation Problems

Moving a physical SIM is obvious: eject it from the old phone and insert it into the new one. An eSIM is different because the mobile plan is a digital profile controlled jointly by the phone and the carrier.

Modern Android phones can often transfer an eSIM during device setup, but support is still carrier-dependent. The safest rule is simple: do not erase the old phone or delete its working eSIM until the new line is active and tested.

What you need for automatic Android eSIM transfer

Google’s current Pixel guidance says automatic transfer requires both devices to have Android 12 or later, current Google Play Services, and a screen lock configured.

Your carrier must also support the transfer method.

Other Android brands can have additional requirements or their own transfer flow.

Transfer the eSIM during new-phone setup

Keep the old phone nearby and powered on.

During the new Android phone’s setup process, follow the prompts for SIM/eSIM transfer. Choose the line you want to move and approve the transfer on the old device if asked.

The exact wording varies by manufacturer and carrier.

Transfer an eSIM after setup

On supported Pixel phones, Google documents the path:

Settings > Network & internet > SIMs > Add SIM > Transfer SIM from another device

Other Android phones may use a similar Add eSIM or Add mobile plan screen.

Why the carrier still matters

An eSIM contains carrier credentials. Android can provide a convenient transfer interface, but your mobile operator ultimately decides whether a profile can be moved automatically.

Some carriers require a confirmation SMS, carrier-app authentication, an emailed or printed QR code, an activation code, IMEI/EID registration, or a call or store visit.

If Android says transfer is unsupported, that does not necessarily mean the phone lacks eSIM hardware.

If the new phone cannot detect the old eSIM

1. Update both phones.
2. Update Google Play Services.
3. Confirm both have a secure screen lock.
4. Keep Bluetooth and Wi-Fi enabled if the setup flow requires proximity.
5. Restart both phones.
6. Try the transfer again.

If it still fails, contact the carrier before deleting anything from the old device.

If the eSIM downloads but has no service

A downloaded profile is not always fully activated.

Check that the eSIM line is turned on, the correct line is selected for mobile data, Airplane mode is off, the phone shows the expected carrier, and the carrier account recognizes the new device.

Toggle Airplane mode once or restart the phone after activation.

If calls, SMS, or data still fail, the carrier may need to reprovision the line.

Do not delete the old eSIM too early

Google notes that the existing device or eSIM can remain usable if the transfer fails.

That is exactly why you should leave the old line intact until the new phone can make an outgoing call, receive a call, send and receive SMS, and use mobile data with Wi-Fi off.

Only after those tests should you erase or trade in the old phone.

What if the carrier sends a QR code?

Use the Android phone’s Add eSIM/Set up eSIM workflow and scan the carrier-supplied code.

Many activation QR codes are single-use. Do not post them publicly, save them in shared photo albums, or assume an old printed code will activate a second time.

Moving from iPhone to Android

Some carriers and Android devices support direct eSIM transfer from an iPhone; others require a fresh eSIM activation.

Do not remove the cellular plan from the iPhone until the Android phone is confirmed active.

Dual-SIM users need one extra check

If you use two SIMs or eSIMs, verify the defaults for calls, messages, and mobile data.

A successful transfer can still leave the wrong SIM selected as the default data line.

Travel eSIMs can complicate the list

Many phones store several inactive eSIM profiles.

Label your primary and travel lines clearly. Before removing an old profile, confirm its carrier and phone number so you do not accidentally delete a prepaid travel plan or your main line.

If activation remains stuck

Collect the new phone’s IMEI and EID information, carrier account details, and the exact error message, then contact the carrier.

Repeatedly deleting and re-adding profiles can make support harder if the carrier has already generated a one-time activation profile.

Do not factory-reset the old phone until service is proven

This deserves repeating because it is the most expensive migration mistake. Your old phone can be the easiest place to receive a carrier verification SMS, approve a transfer, or retrieve account details.

Keep it connected and intact until the new device has worked normally for calls, texts, and mobile data for at least a short test period.

The migration checklist

Keep the old phone, a Wi-Fi connection, and carrier credentials available until the new device is fully working.

An eSIM transfer is complete only when the phone shows service and you have tested calls, messages, and data—not when the profile merely appears in Settings.

Official references

Google Support — Transfer a SIM to a new phoneOfficial reference