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How to set up your eSIM

How to install your eSIM using the QR code or setup details sent after purchase.

What you can check here

  • Before you start
  • Setup on iPhone
  • Setup on Android
  • After you arrive
  • Things to watch out for

Please read first

  • Wi-Fi is required to install your eSIM.
  • Have the QR code or setup details (sent after purchase) ready.
  • Installing before departure is recommended.
  • Data use starts after arrival, once you select Bloomy eSIM as your mobile data line.
  • Activation timing varies by plan — please also check the post-purchase guidance.

Check these first

  • Your device supports eSIM
  • Your device is SIM-unlocked
  • You are connected to Wi-Fi
  • You have the QR code or setup details
  • Your OS is not too old
  • Destination, days and plan are correct

Setup on iPhone

  1. Connect to Wi-Fi

  2. Open the Settings app

  3. Open “Cellular / Mobile Data”

  4. Tap “Add eSIM” or “Add Cellular Plan”

  5. 扫描二维码

  6. Follow the on-screen steps to add the eSIM

  7. Rename the line to something clear like “Bloomy eSIM”

  8. Check the roles of your home line and Bloomy eSIM

  9. Before departure, turn Bloomy eSIM off if needed

  10. After arrival, set Bloomy eSIM as the mobile data line

  11. Turn on data roaming for the Bloomy eSIM line if required

iPhone tips

  • Don't turn on data roaming for your home line
  • Check which line is selected for mobile data
  • “Allow Cellular Data Switching” may cause unintended line usage
  • Clear line names help avoid confusion abroad

Setup on Android

On Android, menu names vary by maker and version. Look for similar wording.

  1. Connect to Wi-Fi

  2. Open the Settings app

  3. Open “Network & internet” or “Connections”

  4. Open “SIM” or “Mobile network”

  5. Tap “Add eSIM” or “Download a SIM”

  6. 扫描二维码

  7. Follow the on-screen steps to add the eSIM

  8. Rename the line to something clear like “Bloomy eSIM”

  9. After arrival, set Bloomy eSIM as the mobile data line

  10. Turn on data roaming if required

Android tips

  • Menu names differ by maker / OS version
  • It may be under “Connections”, “Network”, or “SIM manager”
  • Make sure data runs on Bloomy eSIM, not your home SIM
  • Be careful which line you set roaming on

If the QR code won't scan (manual setup)

  • Manual setup details may be included in your purchase email.
  • You can enter the SM-DP+ address and activation code manually.
  • Enter the details exactly, including case and symbols.
  • If you can't find the details, check your purchase email.

After you arrive

  • Bloomy eSIM is turned on
  • Bloomy eSIM is selected for mobile data
  • Data roaming is on for the Bloomy eSIM line
  • Your home SIM isn't using data by mistake
  • You are where there is signal
  • Restart the device if needed

Common mistakes

  • Thinking data starts automatically just after scanning the QR
  • Leaving the home SIM as the mobile data line
  • Leaving data roaming off
  • Trying to install without Wi-Fi
  • Deleting the eSIM and trying to reinstall
  • Using a non-supported or SIM-locked device

Important: don't delete your eSIM right away

Once deleted, an eSIM often cannot be reinstalled with the same QR code. If you can't connect, do not delete it — first check “How to fix connection issues”.

Related pages

Can't connect? See the FAQ Back to Help & Support

Set up but can't connect?

If you can't connect abroad, follow the connection checklist step by step.

How to fix connection issues
See the FAQ Back to Help & Support