Phone scanning a printed code, illustrating eSIM QR-code setup and troubleshooting on iPhone and Android - AloOui eSIM

eSIM QR Code Not Working? iPhone and Android Checks

Get past an eSIM QR-code error by checking what actually failed: reading the image, installing the profile or connecting to mobile data. This guide covers iPhone, Samsung Galaxy and Google Pixel, with provider-specific instructions taking priority. Start by checking whether your AloOui profile already appears in the phone's SIM settings. You may not need another scan or another purchase.

Already bought your plan? Get help with the existing order

Keep the installed profile and record the exact error before trying again. If you are planning a future trip instead, a checked example is Greece Fixed Data, 1GB total for 7 days at $3.12 USD.

Get QR-code setup help

Future trip? Compare plans after confirming your phone

These three examples cover different destinations and are not interchangeable. They are buying options for a suitable trip, not fixes for a QR-code error on an existing order.

Greece Fixed Data

1GB total · 7 days · $3.12 USD

Compare for lighter measured use. Fixed data is a total allowance, not a daily reset; the checked fixed-data terms do not provide continuation after exhaustion.

Buy Greece data

UK Essential

7 days · $24.62 USD

A balanced UK option. Standard Essential provides 1GB per day at full speed, then reduced-speed data at up to 1.25 Mbps under the selected terms.

Compare UK Essential

USA Plus

3 days · $34.22 USD

Compare for clearly data-heavy USA travel. Review the selected full-speed allowance, reduced-speed and hotspot terms before buying.

Compare USA Plus

Prices checked on 5 October 2026. Prices may change. Always check the product page for the latest prices before purchasing. Use the product links above for current selections and terms. Data allowance does not guarantee coverage or speed.

Choose the right troubleshooting route

The phone cannot read the QR image

Check image clarity, lighting and the supported installation method for your device.

The code is read but rejected

Check the exact error, existing profiles, device support and supplied activation details. Repeated scanning is not a recovery method.

1. If the QR image is unreadable

Open the original delivery message and display the complete code clearly. Avoid a cropped, distorted or compressed image. If using the camera, display the code on another screen or a clear printout, where supported, and reduce glare.

Make sure the phone is using a supported eSIM setup method rather than assuming every barcode-reader app can install a mobile plan. Use a reliable internet connection for the profile download.

2. If the code is on the same iPhone

Apple documents that on iOS 17.4 or later, a QR code received in a default email app or browser can be pressed and held, followed by Add eSIM. This depends on the supported device, software and delivered setup method; do not assume every app or attachment offers that action.

Apple also documents scanning with Camera and tapping the Cellular Plan Detected notification. If the applicable same-screen method is unavailable, display the issued code on another screen or use supplied manual details where supported.

3. Use the appropriate Samsung or Pixel installation path

Samsung's referenced guide uses Settings → Connections → SIM card manager → Add mobile plan → Add using QR code. Names and available methods differ by model and software.

Google's Pixel guide uses Settings → Network & internet → SIMs → Add SIM → Set up an eSIM on supported devices. Follow the device prompts and supplied provider instructions.

For other Android brands, use the manufacturer's instructions for your exact model. A Samsung menu path is not a universal Android procedure.

4. If the message says already used or already installed

Look for the travel profile in your SIM settings first. If it is present, stop treating this as a missing installation and check the selected data line, destination coverage, validity and plan instructions.

If the profile is absent, share the exact message with AloOui support through the Help Center. Do not delete another profile or repeatedly scan the code as a routine fix.

QR-code reuse, reinstall eligibility and device transfers depend on the selected profile and provider rules. This guide does not claim every code is universally single-use or promise a replacement code.

5. If the message says invalid or expired

Confirm that you are opening the delivery details for the correct order. Record the exact error and check whether installation already completed. Support can review the order and applicable options.

Do not assume a specific expiry window, automatic reissue or refund outcome unless your selected terms establish it. Purchasing another plan does not diagnose the existing credential.

6. If you want to enter details manually

Use manual installation only when the delivery instructions supply the required details and your phone supports that method. Enter them exactly as issued.

Apple documents Enter Details Manually in its eSIM setup flow. Samsung likewise documents a provider-supplied manual method. These are alternative input methods, not ways to bypass invalid, expired or already-used activation credentials.

7. If installation works but internet does not

A downloaded profile and usable destination service are different stages. Check that your destination is included, validity and allowance remain, the travel line is selected for mobile data, and roaming and APN settings match the delivered instructions.

Review your home line separately to manage possible carrier charges. Signal bars alone do not establish every part of the plan's status. Do not use another QR scan to solve a data-line or coverage issue.

Before another installation attempt

Confirm your exact device and regional version support eSIM and that the original carrier permits another provider's plan. Follow approved guidance for managed work phones.

Keep installed profiles until support confirms recovery options. Avoid profile deletion, factory resets or unsupported transfer attempts as routine troubleshooting. Installation timing and activation rules are plan-specific.

What support needs

Send your order reference, exact phone model, software version, current destination, exact error wording and whether the profile is present. Share relevant screenshots privately, hiding unrelated information. Keep QR codes and activation credentials off public posts and out of AI prompts.

Plan your next trip with Shop with AI

Use Shop with AI on the AloOui website or app to compare plans for your destination, dates and expected activity. Essential is the balanced choice where its allowance fits; compare Plus for clearly data-heavy trips where available. Lite is a separate tier, and Premium should be chosen only where selectable. Review selected terms before checkout.

Also visiting the UK?

The separate UK Prepaid eSIM 5GB/30 Days includes 5GB, 100 UK minutes, 100 UK SMS and a local UK number. It is UK-only and does not renew automatically. Check compatibility and current terms.

See UK prepaid details

Need a US virtual phone number?

The United States Virtual Phone Number is a separate automatically renewing monthly subscription, not travel data or an eSIM installation fix. Check charges, features and cancellation terms; verification acceptance is not guaranteed.

See US virtual numbers · Explore VIP Number Premium

Review VIP's own terms rather than assuming identical features or billing.

Get the AloOui app

Compare future travel plans and use Shop with AI.

Download AloOui on the Apple App Store for travel eSIM plan comparisons Download AloOui on Google Play for Android travel eSIM plan comparisons

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QR-code troubleshooting FAQs

Can I scan the same QR code twice?

Reuse rules depend on the selected profile. Check for an existing installation first and ask support before attempting recovery.

Does manual entry fix an already-used code?

No. It is an alternative input method, not a new entitlement.

Should I delete the installed eSIM?

Not as a routine fix. Confirm recovery options with support first.

Can I scan a code displayed on the same iPhone?

Apple documents a press-and-hold method in supported default email or browser contexts on iOS 17.4 or later. Otherwise use another supported method.

Will scanning guarantee data before arrival?

No. Installation, activation timing and destination service depend on the selected plan.

Is a replacement code guaranteed?

No. Available options depend on the actual order, profile and applicable terms.

Official device references

Check Apple's eSIM setup guide, Samsung's Galaxy eSIM guide and Google's Pixel dual-SIM guide alongside your delivered AloOui instructions.

Get help with the right stage

Check the installed profile, keep your credentials private and use support for an unresolved QR-code error.

Get AloOui QR-code help
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