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eSIM Activation Failed: What to Do | BubuTel

Updated 22 August 2026 6 min read
Smartphone showing eSIM activation error

If your eSIM activation failed, check your internet, verify the activation code, restart and retry. Do not delete the eSIM profile — learn why and what to do next.

Quick answer

If your eSIM activation failed, check your internet connection, verify the activation code or QR code is correct, restart your phone and try again. Most activation failures are caused by a weak internet connection during installation or an expired activation code. Do not delete the eSIM profile — contact support if retries fail.

Common reasons eSIM activation fails

eSIM activation can fail for several reasons. The most common are:

  • Weak or no internet connection during installation: The activation process needs an internet connection (usually Wi-Fi) to download the eSIM profile.
  • Expired or already-used activation code: Some activation codes are single-use. If the code was already used or has expired, activation will fail.
  • Incorrect QR code or manual activation code: A typo in a manual activation code or a damaged QR code can cause failure.
  • Phone not eSIM compatible: Not all phones support eSIM. Check if your phone is eSIM compatible before trying again.
  • Carrier lock: Some phones are locked to a specific carrier and cannot accept eSIM profiles from other providers.

Step 1: Check your internet connection

The most common cause of activation failure is a weak internet connection during installation. The eSIM profile needs to be downloaded, which requires a stable connection.

  • Connect to a reliable Wi-Fi network
  • Make sure you are not on a captive portal (hotel/airport Wi-Fi that requires login)
  • Try a different Wi-Fi network if the first one does not work

Step 2: Verify the activation code or QR code

Check that the activation code or QR code is correct:

  • If using a QR code, make sure it is clearly visible and not damaged
  • If using a manual activation code (LPA format), check for typos — every character matters
  • Make sure the code has not already been used — some codes are single-use

Step 3: Restart your phone and try again

After verifying your internet and code, restart your phone and attempt the activation again:

  1. Restart your phone
  2. Connect to Wi-Fi
  3. Go to your eSIM settings and try adding the eSIM again
  4. Scan the QR code or enter the manual activation code

Step 4: Check if your phone is eSIM compatible

Not all phones support eSIM. If activation keeps failing, verify your phone supports eSIM:

  • iPhone: iPhone XS, XR and newer support eSIM (iPhone 13+ in the US supports dual eSIM)
  • Samsung: Most Galaxy S series from S20 and newer, Galaxy Z Fold/Flip series
  • Google Pixel: Pixel 3 and newer (Pixel 2 in some regions)

Check our eSIM compatibility guide for a full list.

Important: Do not delete the eSIM profile

If activation has partially completed, do not delete the eSIM profile from your phone. Deleting it may require you to get a new activation code from your provider, which can take time. Instead, try re-activating or contact support for assistance.

Only delete the eSIM if your provider's support team specifically instructs you to and confirms you can re-install it.

Step 5: Contact support

If you have tried all the steps above and activation still fails, contact your eSIM provider's support. Provide:

  • Your phone model and operating system version
  • The error message you see (if any)
  • Whether you are using a QR code or manual activation code
  • Steps you have already tried

BubuTel's Smart Setup assistant can help identify the issue and guide you through the activation process.

Related guides

Why BubuTel takes a different approach

Most eSIM stores ask you to choose a country, compare multiple packages and estimate how much data you need yourself.

BubuTel is designed to use information about your destination, trip duration and usage habits to help recommend connectivity that fits the way you actually travel.

eSIM activation failed?

BubuTel Smart Setup can help identify the issue and guide you through activation step by step.

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