eSIM for Apple iPhone 12 - Setup Guide & Compatible Plans
Everything you need to know about using eSIM on your iPhone 12. Step-by-step setup instructions and compatible travel data plans.
3 July 2026
Does iPhone 12 Support eSIM?
Yes! The Apple iPhone 12 fully supports eSIM technology.
The iPhone 12 pairs one eSIM with a physical nano-SIM (Dual SIM), so your home number stays in the tray while a travel eSIM handles affordable data abroad.
| eSIM Type | eSIM + Nano SIM |
|---|---|
| eSIM Slots | eSIM + nano-SIM |
| Operating System | iOS 14 |
| Released | 2020 |
How to Install eSIM on iPhone 12
Follow these simple steps to install and activate your eSIM on iPhone 12.
- 1
Open Settings
Open the Settings app on your iPhone 12. You can find it on your home screen or by swiping down and searching for it.
- 2
Tap Mobile Service
In Settings, scroll down and tap "Mobile Service" (or "Mobile Data" in some regions) to access your SIM and eSIM settings.
- 3
Add eSIM
Tap "Add eSIM" or "Add Mobile Plan" to begin the eSIM installation process on your iPhone 12.
- 4
Scan QR Code
Point your iPhone 12 camera at the QR code you received by email from eSIMpass. The code will be scanned automatically.
- 5
Confirm & Install
Review the eSIM plan details and tap "Add Mobile Plan" to confirm the installation. The process takes about 1-2 minutes.
- 6
Select Data Line
Choose your new eSIM as the data line for mobile data. Keep your original SIM for calls and texts.
Tips for Apple Users
Screenshot Your QR Code
Take a screenshot of the eSIM QR code and save it to your photos before scanning. If anything goes wrong during installation, you can scan it again from your gallery.
Label Your eSIM
After installation, rename your eSIM to something memorable like "Travel Data" or the country name. This makes it easy to identify and switch between lines.
Check Network Lock
Make sure your iPhone 12 is network unlocked before installing an eSIM. Network-locked devices may not accept third-party eSIM profiles. Contact your network if unsure.
Manage Dual SIM
With eSIM and a physical SIM, you can keep your home number for calls while using the eSIM for affordable travel data. Set the eSIM as your data line in Settings.
Frequently Asked Questions - iPhone 12 eSIM
Is iPhone 12 eSIM compatible?
Yes, the Apple iPhone 12 supports eSIM technology. You can install and use eSIM data plans from eSIMpass for travel connectivity in 200+ countries.
How many eSIMs can iPhone 12 hold?
You can install several eSIM plans on the iPhone 12 and keep one of them active at a time. Switch between them in Settings whenever you like.
Can I use eSIM and physical SIM at the same time on iPhone 12?
Yes, the iPhone 12 supports simultaneous use of eSIM and physical SIM. You can use your regular SIM for calls and texts while the eSIM handles your travel data.
Do I need to unlock my iPhone 12 for eSIM?
Yes, your iPhone 12 must be network unlocked to use a third-party eSIM. If you purchased your phone directly from Apple or your network contract has ended, it may already be unlocked. Contact your network to verify.
How to switch between eSIM and SIM on iPhone 12?
Go to Settings and navigate to your mobile/SIM settings. You can toggle each line on or off, and choose which line to use for mobile data, calls, and messaging independently.
Can I transfer my eSIM to a new iPhone 12?
eSIM profiles generally cannot be transferred between devices. You will need to install a new eSIM on your new phone. With eSIMpass, you can re-scan your QR code on the new device if the plan is still active.
Get Your eSIM for iPhone 12
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