Why Can’t I Activate My eSIM on iPhone and Android?

eSIM technology has made it easier than ever to stay connected while traveling. With a quick scan of a QR code, you can enjoy mobile data and local services without needing a physical SIM card.

However, some users encounter issues during activation. If you’re facing problems activating your eSIM, this article will help you troubleshoot and find a solution.

1. Your Phone Might Be Carrier-Locked

One of the most common reasons for eSIM activation failure is a carrier-locked phone.

What is a Carrier-Locked Phone?

A carrier-locked phone is a device that has been bundled with a specific mobile provider in your home country. It’s configured to work only with that provider’s SIM cards and cannot use other networks unless unlocked.

Example: Carrier Locks in Japan

In countries like Japan, phones are often sold as part of a contract with mobile carriers such as Docomo, SoftBank, or AU KDDI. These phones are locked to the carrier’s network, preventing users from inserting a SIM card—or activating an eSIM—from another provider.

Solution:

If your phone is locked, contact your carrier and request an unlock. Some carriers may require:

• Completion of contract obligations.
• Payment of any pending bills.
• Proof of ownership.

Once unlocked, your phone will be able to activate the eSIM without issues.

2. Your Phone May Not Support eSIM Technology

Not all phones are equipped with eSIM capability. While most newer smartphones, such as iPhones (XR and later) and Samsung Galaxy S20 and newer models, support eSIM, older devices might not.

Solution:
Check your phone’s specifications in the settings or on the manufacturer’s website to confirm eSIM compatibility.

Or check the list of phones that are compatible with eSIM here.

3. Incorrect IMEI or Registration Issues

In some countries, registering your IMEI (International Mobile Equipment Identity) is required to activate eSIM services. An incorrect or incomplete IMEI submission can lead to activation failures.

Solution:

• Dial *#06# on your phone to display your IMEI number.
• Take a full screenshot showing the IMEI and submit it as part of the Know Your Customer (KYC) verification process.

4. Damaged or Cropped Passport Photo

When activating an eSIM, especially for travel purposes, you may need to verify your identity by submitting a passport photo. If the photo is:

• Bent or folded, or
• Cropped at the edges,

it may fail the verification process.

Solution:
Take a clear, full photo of your passport, ensuring all details are visible and submit it again.

5. Software or Network Configuration Issues

Even if your phone supports eSIM and is unlocked, software settings or outdated firmware might interfere with activation.

Solution:

• Ensure your phone’s operating system is updated to the latest version.
• Reset network settings and restart your phone.
• Re-scan the QR code for eSIM activation.