Yes. iPhone 12, iPhone 12 mini, iPhone 12 Pro and iPhone 12 Pro Max support eSIM. For most travellers, the usual arrangement is one nano-SIM plus one eSIM, allowing the home number and a travel-data plan to remain available on the same phone.
The phone must be unlocked if the eSIM comes from a different provider. Regional exceptions also matter: eSIM is not available on every iPhone 12 variant sold in every market, so check the actual device rather than relying only on its model name.
NoveSIM travel plans are data-only. They do not include a local telephone number or traditional calls and SMS; messaging and calling apps use the plan’s mobile data.
Quick answer: The iPhone 12 family supports eSIM, normally alongside a physical nano-SIM. Unlike iPhone 13 and later, iPhone 12 does not support two simultaneously active eSIM lines, so plan on using nano-SIM plus eSIM for dual-SIM travel.
Which iPhone 12 versions support eSIM?
Apple lists eSIM for all four iPhone 12 models. However, certain devices intended for China mainland, Hong Kong or Macao use different SIM configurations. A second-hand or imported phone therefore needs a device-level check.
Open Settings > General > About and look for an available eSIM IMEI. You can also open Settings > Cellular or Mobile Data and look for Add eSIM. The NoveSIM compatibility page provides an additional model check.
Can iPhone 12 use dual SIM?
Yes, with one physical nano-SIM and one eSIM active. This differs from later iPhones that can keep two eSIMs active simultaneously. The iPhone 12 can store an eSIM profile, but its dual-line travel setup is normally:
- home nano-SIM for your usual number;
- travel eSIM for mobile data;
- cellular-data switching disabled to prevent unintended fallback;
- data roaming disabled on the home line.
Keeping your home line active can still create roaming charges for calls or other operator services. NoveSIM does not control those charges.
How do you check whether the phone is unlocked?
- Open Settings.
- Select General, then About.
- Scroll to Carrier Lock.
- Confirm that it says No SIM restrictions.
If a restriction appears, only the original carrier can confirm or change the lock status. eSIM-capable hardware cannot bypass a carrier lock.
How do you install a travel eSIM on iPhone 12?
- Connect to stable Wi-Fi before the trip.
- Go to Settings > Cellular > Add eSIM.
- Scan the supplied QR code or choose manual entry if that option is provided.
- Label the new plan Travel Data.
- Select the travel eSIM for cellular data when you are ready to use it.
- Follow the plan instructions for data roaming and network selection.
Use the dedicated QR-code guide if the code cannot be read or has already been used. Never remove the eSIM during troubleshooting unless support instructs you to delete it.
How should calls and messages be configured?
Keep the home line as the default voice line if you need your usual number, and use the travel eSIM only for cellular data. NoveSIM does not provide conventional calls or SMS. See the guide to switching the primary SIM and eSIM before travelling.
Related Articles
- Check eSIM-Compatible Devices
- Use an eSIM Without Removing the Old SIM
- Phone Numbers With Travel eSIMs
FAQ
Does iPhone 12 mini support eSIM?
Yes. iPhone 12 mini supports eSIM, subject to the device’s sales region and carrier lock.
Can iPhone 12 use two active eSIMs?
No. Its normal dual-SIM configuration is one nano-SIM plus one eSIM; dual active eSIM support begins with iPhone 13.
Can I keep my home SIM in the phone?
Yes. Keep the nano-SIM installed and choose the eSIM for data, while disabling roaming data on the home line.
Will an eSIM work on a locked iPhone 12?
Only if the provider is permitted by the lock. An unlocked phone is required for an eSIM from a different provider.
Final Recommendation
Use iPhone 12 with a travel eSIM only after confirming the regional model and checking that Carrier Lock shows no restrictions.
For dual-SIM travel, retain the nano-SIM for your usual number and assign mobile data to the eSIM.
Install before departure on reliable Wi-Fi, but enable the travel line according to the plan’s activation rules so its validity does not begin earlier than intended.
