iPhone eSIM Not Working - How to Fix

Always try this first:

1. Hold Side + Volume Up/Down until slider appears
2. Slide to power off
3. Wait 30 seconds
4. Press Side button to turn on

eSIM often activates after a restart.

Make sure your eSIM line is enabled:

1. Settings → Cellular
2. Tap your eSIM line
3. Toggle Turn On This Line ON
4. Check Data Roaming if traveling

Update your carrier settings:

1. Settings → General → About
2. Wait 30 seconds — if an update appears, tap Update
3. Restart iPhone after updating

Reset your cellular connection:

1. Open Control Center
2. Tap Airplane Mode ON
3. Wait 30 seconds
4. Tap Airplane Mode OFF

eSIM bugs are fixed in updates:

• Settings → General → Software Update
• Install any available updates
• Restart after updating

This often fixes stubborn eSIM issues:

1. Settings → General → Transfer or Reset iPhone
2. Tap Reset → Reset Network Settings
3. Enter your passcode
4. Reconnect to Wi-Fi after reset

Note: This erases Wi-Fi passwords but keeps your eSIM.

If nothing else works, remove and re-add your eSIM:

1. Settings → Cellular
2. Tap your eSIM line
3. Scroll down, tap Delete eSIM
4. Contact your carrier or use their app to get a new eSIM
5. Scan the new QR code or use carrier setup

Important: You may need to contact your carrier first!

Some carriers have specific requirements:

• Account must be active — Check for payment issues
• eSIM must be provisioned — Carrier must enable it
• Transfer limits — Some eSIMs can only transfer a few times
• Compatible plan — Not all plans support eSIM

Contact your carrier if you get "eSIM cannot be added" errors.

If transferring eSIM to a new iPhone:

• Both phones must be nearby and on Wi-Fi
• Old phone must be unlocked during transfer
• Some carriers require you to call them to transfer
• Quick Start method works best for eSIM transfer

• "eSIM cannot be added" — Contact carrier, may need new activation
• "No Service" — Check cellular settings, carrier settings update
• "SIM Failure" — Restart iPhone, reset network settings
• "Invalid eSIM" — eSIM may have been deactivated by carrier