Can I Use eSIM on a Locked Phone?

No, typically you can’t use an eSIM from another provider on a phone that’s locked to a specific carrier. A locked device only accepts SIM cards or eSIMs issued by the carrier it’s tied to. To use an eSIM from a different carrier, you must first unlock your phone.

Let’s break it down so you can see how this affects your device and what to do next.

What Does It Mean if My Phone Is Locked?

A locked phone is one that can only be used with the carrier it was purchased from. Many phones are sold this way, especially if bought under a contract or installment plan. The carrier restricts the device from connecting to other networks, including eSIMs from different providers.

Why You Might Want to Unlock Your Phone Before Traveling

If your phone is locked, you can only use an eSIM from your original carrier. This limits your ability to:

• Switch to a local network for cheaper data
• Automatically connect to the strongest network while traveling
• Avoid roaming charges

An unlocked phone gives you the freedom to use local or international eSIMs, choose better coverage, and save money.

How to Check if Your iPhone or Android Is Locked or Not

iPhone:

1. Go to Settings > General > About
2. Scroll to Carrier Lock
3. If it says “No SIM restrictions,” your phone is unlocked

Read more about fixing eSIM stuck activating on iPhone.

Android:

1. Go to Settings > Connections > Mobile Networks > Network Operators
2. Turn off Automatic
3. If multiple carriers appear, your phone is unlocked

Can You Still Use eSIM on a Locked Phone?

Yes, but only with the same carrier your phone is locked to. An eSIM profile is tied to a carrier’s network, and a locked phone can’t accept profiles from other carriers.

Common Error Message Example:

“This eSIM is from a network provider that is not currently supported on this iPhone. To use this eSIM, contact your provider and request to unlock this iPhone.”

This error clearly shows the issue: the eSIM itself isn’t locked, it’s your phone that’s restricted. Always check your phone’s lock status before attempting to install an eSIM from another provider.

How to Unlock Your Phone for eSIM Use

• Some carriers unlock for free if you’ve finished your contract; others may charge a fee or have a waiting period.
• Contact your carrier: Request an unlock using your phone’s IMEI
• Wait for confirmation: Carriers will notify you once the phone is unlocked

Once unlocked, you can use eSIMs from any compatible provider.

Alternatives If You Can’t Unlock Your Phone Yet

• Use a portable Wi-Fi hotspot
• Get a physical SIM from your carrier (if supported)
• Use a secondary unlocked device for your eSIM

Final Tips Before You Travel

• Unlock your phone before leaving your country
• Use automatic network selection to ensure the best connection
• Verify your phone supports eSIM in your region

Quick Answer: You can’t use an eSIM from a different carrier on a locked phone. To use an eSIM while traveling, you must first unlock your phone and make sure it’s eSIM-compatible.

Taking a few minutes to check these details can save you time, money, and frustration abroad. Knowing your phone’s lock status helps you avoid unexpected issues and lets you enjoy the full benefits of eSIM technology, like flexible plans, better network coverage, and lower roaming costs.

Not sure where to start? Read our guide on what an eSIM is and how it works, or chat with us on WhatsApp for help choosing the right eSIM and checking your device compatibility.

Explore our Bali eSIM plans here and travel with confidence.