How to Install eSIM on iPhone 15, 16 & 17 — Step-by-Step Setup for Travelers
iPhone 15, 16, and 17 are all eSIM-ready — and in the US, iPhone 15 onwards is eSIM-only with no physical SIM tray. No plastic card, no airport kiosk. Just scan a QR code and you're connected in under 2 minutes. Here's everything you need to know to install your AloOui eSIM on iPhone 15, iPhone 16, or iPhone 17.
iPhone 15 / 16 / 17 ready | 200+ countries | From $2.83 | QR in 2 min | 50,000+ travelers
Get AloOui eSIM for iPhone 15, 16 & 17 — activate in 2 minutes, no SIM swap.
Instant QR delivery · 200+ countries · From $2.83 · No ID required
Browse eSIM Plans →Shop eSIM by destination — instant activation on iPhone 15, 16 & 17:
iPhone eSIM Compatibility — 15, 16 & 17
| Model | eSIM Support | Physical SIM (US) | Dual eSIM | iOS Required |
|---|---|---|---|---|
| iPhone 15 / 15 Plus / 15 Pro / 15 Pro Max | ✓ | ✗ eSIM-only (US) | ✓ Up to 8 stored | iOS 17+ |
| iPhone 16 / 16 Plus / 16 Pro / 16 Pro Max | ✓ | ✗ eSIM-only (US) | ✓ Up to 8 stored | iOS 18+ |
| iPhone 17 / 17 Air / 17 Pro / 17 Pro Max | ✓ | ✗ eSIM-only (US) | ✓ Up to 8 stored | iOS 26+ |
What Is eSIM on iPhone 15, 16 & 17?
An eSIM is a digital SIM built into your iPhone — no physical card needed. You can add multiple eSIMs, switch between lines, and activate a travel data plan instantly from your settings. No SIM tray. No airport kiosk. No roaming bill. This works identically across iPhone 15, iPhone 16, and iPhone 17.
What You Need Before You Begin
- A compatible global eSIM provider — AloOui
- A stable Wi-Fi or hotspot connection during setup
- The latest version of iOS installed (iOS 17+ for iPhone 15, iOS 18+ for iPhone 16, iOS 26+ for iPhone 17)
How to Install an eSIM on iPhone 15, 16 & 17
The installation process is identical across all three generations. Follow the steps below — they work on every model from iPhone 15 to iPhone 17 Pro Max.
Method 1 — Install Using a QR Code (Recommended)
- Go to Settings → Cellular → Add eSIM
- Tap Use QR Code
- Scan the QR code from your AloOui activation email
- Tap Add Cellular Plan to complete installation
Method 2 — Install Using the AloOui Activation Link
- Open your AloOui activation email on your iPhone
- Tap the activation link directly
- Follow the on-screen guide to add it to your device
Method 3 — Enter eSIM Details Manually
- Go to Settings → Cellular → Add eSIM
- Tap Enter Details Manually
- Enter the SM-DP+ address, activation code, and confirmation code from your AloOui email
Method 4 — Transfer from Another iPhone
- Go to Settings → Cellular → Add eSIM on your new iPhone
- Tap Transfer from Nearby iPhone
- Follow the instructions on both devices
Ready to activate? Get your AloOui eSIM for iPhone 15, 16 or 17 now.
Browse Plans →Pro Tips for a Smooth Setup
- Set AloOui as your primary data line under Settings → Cellular Data
- Rename your line (e.g. “AloOui eSIM”) for clarity
- Restart your phone if the connection does not appear immediately
- Enable roaming on your eSIM line before departure if traveling abroad
- Install at least 24–48 hours before your flight — so you can troubleshoot on Wi-Fi if needed
- On iPhone 17, you can store up to 8 eSIMs and switch instantly between them from Control Center
What iPhone Travelers Say About AloOui
“iPhone 15 Pro + AloOui. Scanned the QR before my flight to Japan. Connected the moment I landed at Narita. No roaming bill, no kiosk queue. This is the only way to travel.”
“Set up AloOui on my iPhone 16 Pro in 2 minutes. Worked across France, Spain and Italy on one Europe plan. My home number stayed active the whole time. Incredible value.”
“Used AloOui in Malta and Cyprus on my iPhone 17 Pro. Both islands worked perfectly. Activated before the flight, connected the moment I landed. No roaming, no stress.”
“iPhone 17 Air + AloOui — installed in 2 minutes, worked in Thailand, Singapore and Indonesia. One QR, three countries. The eSIM switching in Control Center on iOS 26 is a game changer.”
Need a UK number on your iPhone 15, 16 or 17?
Get a UK Local eSIM with a real UK number — unlimited calls, unlimited SMS, and data included. Perfect for business travelers and digital nomads.
See AloOui UK Local eSIM with UK Number →Install AloOui eSIM on iPhone 15, 16 or 17 in 2 Minutes
200+ destinations, from $2.83. No SIM card, no roaming, instant QR delivery.
- 200+ destinations with 4G/5G speeds
- Plans from $2.83 — country, regional & global
- Instant QR activation — install before you fly
- Dual SIM — home number stays active
- 24/7 support — Help Center always available
- Need a UK number? UK Local eSIM — unlimited calls + SMS + data
Instant delivery · No SIM swap · 200+ countries · From $2.83
