Here’s the better way to transfer your line to a new iPhone eSIM, whether you’re jumping from an iPhone 14 to a 15, 16, or 17, or coming over from Android. No SIM tray to fiddle with, no waiting on a card in the mail.
Why transferring a line to a new iPhone gets messy
Every iPhone since the 14 sold in the US ships eSIM-only. No tray, no tiny card to pop out. That’s great until you try to move your number across, because Apple’s built-in eSIM transfer is hardware-defined. It leans on the carrier and the OEM cooperating, and it tends to only work device-to-device in a narrow way, basically Apple to Apple.
So if you’re holding a physical SIM, or switching from an Android, or your old phone is dead in a drawer somewhere, the standard path can leave you stuck. That’s the gap most eSIM carriers other than US Mobile run into when a customer wants to move service onto an iPhone 14 or any newer model.
If you want the full picture of moving an eSIM between any two devices, our guide on how to transfer an eSIM to a new phone covers every combination.
The software-defined difference
For eSIM to actually deliver on its promise, freeing you from cards and store visits, the move from one device to another has to happen in software. Do it that way and the transfer stops caring what device you’re on, what carrier you came from, or whether you started on a physical SIM or an eSIM. It just works.
That’s the approach US Mobile took. The app handles line transfers in software, which means it supports the combinations a hardware-only flow chokes on:
- Apple to Android
- Android to Apple
- eSIM to eSIM
- Physical SIM to eSIM
- eSIM to physical SIM
This cuts a lot of friction out of switching devices, SIM types, or even networks. Here’s a quick look at how the line transfer plays out:
Transfer your line to a new iPhone eSIM, step by step
Moving from a physical SIM to an eSIM, or eSIM to eSIM, should be quick. Here’s the flow inside the US Mobile app when you’re setting up a new iPhone:
Sign in to the US Mobile app
Open the app on a phone you’re logged into, then find the line you want to move.
Tap the number you want to move
Select the line you’d like to transfer to eSIM.
Tap Transfer Line to eSIM
Then tap Start Transfer to kick it off.
Enter your new iPhone’s IMEI
This confirms the device is compatible before anything moves. Dial *#06# on the new iPhone to pull up its IMEI, or check Settings > General > About.
Continue with Transfer
Tap Continue with Transfer, then enter your phone number and the device’s eSIM IMEI when prompted.
Confirm and connect
Finish in the app and the line activates on your new iPhone. No QR code juggling, no SIM swap.
That same flow holds whether you’re coming from an iPhone, an Android, or another supported device. If you’re moving in the other direction, our walkthrough on transferring an eSIM between iPhone and Android spells out the differences. Here’s what the in-app transfer looks like on different phones:
iPhone 14, 15, 16, and 17: what changes
Short answer: the transfer steps don’t change. The hardware around them does. Every one of these models is eSIM-only in the US, so there’s no tray and no physical card to think about either way.
- iPhone 14 series: the first fully eSIM-only iPhones in the US. If your line is on a physical SIM elsewhere, the US Mobile app moves it over without a card.
- iPhone 15 and 16 series: same eSIM-only setup. The 16e also supports eSIM. Nothing about the transfer differs.
- iPhone 17 series: still eSIM-only in the US, and the iPhone 17 Air is eSIM-only worldwide. The in-app flow is identical.
If you just want to confirm a model is eSIM-capable before you start, our full eSIM device list tracks every supported phone. And once you’ve moved the line, activating the eSIM takes about two minutes.
Apple Quick Transfer vs the US Mobile app
Apple’s eSIM Quick Transfer can move a line between two iPhones over Bluetooth, no QR code needed, and it’s genuinely slick when both phones are Apple and the carrier plays along. The catch is right there in that sentence: both phones have to be iPhones, both have to be nearby and working, and the carrier has to support it.
The US Mobile app doesn’t have those guardrails. Because the transfer is software-defined, it works even if your old phone is an Android, even if your number lives on a physical SIM, and even if the old device is gone. So Quick Transfer is a nice option when everything lines up. The app is the reliable fallback (and often the better path) when it doesn’t.
If the transfer stalls
Why US Mobile got here first
eSIM is supposed to be seamless, secure, and flexible, and we’ve pushed to get there early. US Mobile was an early mover in bringing eSIM to the broader public, shipping it to customers as soon as we could, listening to feedback, and iterating. The software-defined line transfer is one result of that head start.
Try US Mobile eSIM free for 30 days
30GB of data on Warp 5G or Dark Star. You add a payment method to start but aren’t charged during the trial, and there’s no contract.
Start your free trialFrequently Asked Questions
How do I transfer my line to a new iPhone eSIM?
Open the US Mobile app, tap the number you want to move, tap Transfer Line to eSIM, then Start Transfer. Enter your new iPhone’s IMEI to confirm compatibility, tap Continue with Transfer, and confirm your phone number and the device’s eSIM IMEI. The line activates on the new iPhone with no QR code or SIM swap.
Does this work for iPhone 14, 15, 16, and 17?
Yes. All of these models are eSIM-only in the US, and the iPhone 17 Air is eSIM-only worldwide. The transfer steps in the US Mobile app are identical across every model, so the same flow moves your line whether you’re upgrading to a 14, 15, 16, or 17.
Can I transfer my line from Android to a new iPhone?
Yes. Because US Mobile’s transfer is software-defined, it handles Android to Apple, Apple to Android, eSIM to eSIM, physical SIM to eSIM, and eSIM to physical SIM. Apple’s built-in Quick Transfer only moves a line between two iPhones, so the app is the way to go when you’re switching from Android.
What’s the difference between Apple Quick Transfer and the US Mobile app?
Apple Quick Transfer moves an eSIM between two nearby iPhones over Bluetooth, but both phones must be iPhones and the carrier has to support it. The US Mobile app moves the line in software, so it works even if your old phone is an Android, your number is on a physical SIM, or the old device is gone.
Can I try a US Mobile eSIM before paying for a plan?
Yes. US Mobile offers a free 30-day eSIM trial with 30GB of data on the Warp 5G or Dark Star network. You add a payment method to start but aren’t charged during the trial, and there’s no contract.
I do not see the “Transfer to ESIM” button. Is there an update that I haven’t received?
It’s possible that’s the reason why. Make sure your app is up to date, then go to the Account tab > Security > Set up 2FA. Once 2FA is enabled, refresh the app and you should be good to go!