✅ Quick Answer
eSIM works on iPhone 12 (all models)
Dual SIM: One eSIM + one physical
Activation: QR code, SM‑DP+ code, or carrier app
Yes. iPhone 12 can use eSIM alongside a physical SIM. Below is how to activate and use it confidently.
Setup Steps
- 1. Open Settings → Cellular
- 2. Tap Add eSIM
- 3. Scan QR code or enter activation details
- 4. Label your eSIM and set preferences
Dual SIM Benefits
✅ Use Cases
- • Work and personal lines
- • Travel without losing home number
- • Local rates while abroad
- • Backup connectivity
⚙️ Setup Tips
- • Label lines clearly
- • Set data line preference
- • Configure default for calls
- • Enable automatic switching
FAQ
Can iPhone 12 use eSIM?
Yes. All models can use eSIM in 2025. You need carrier support and an activation profile.
Can I keep my physical SIM?
Yes. You can run one eSIM and one physical SIM simultaneously for dual SIM.
Is eSIM good for travel?
Yes. It allows instant activation and easy switching. Compare options in our hub.
Compare Plans
Use the Best eSIM Plans hub to compare travel eSIMs.