Billion connect eSIM – Review, Test & Promo Code 2026

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Countries covered

200 countries

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Starting at

0,92 €

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Network

5G

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Data

Starting at 300 MB

Calls/SMS

Yes

Exceptional coverage with over 200 countries and regions, offering maximum flexibility for multi-destination travelers.

Plans adapted to each profile: local for city trips, regional for European travel, global for round-the-world tours.

Ultrafast and simple installation via QR code from the app, no physical store visit required.

Responsive 24/7 customer support with excellent user ratings (4.87/5 on App Store, 4.94/5 on Google Play).

Transparent and competitive pricing starting from €0.92, with no hidden fees or surprises.

Official ratings

Destinations & coverage

By region

Key points

Advantages

  • Exceptional global coverage covering over 200 countries and territories with reliable local network partners.
  • Extremely simple and quick activation and installation via QR code, ready in minutes.
  • Many plan options (local, regional, global) allowing you to choose exactly what you need.
  • Excellent customer support available 24/7 with quick response times according to user reviews.
  • Highly competitive and transparent pricing, plans starting under €1 for main destinations.
  • Hotspot compatible on most devices, allowing connection sharing with other devices.
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Disadvantages

  • Network quality and speeds vary depending on the country and local partner operator, not guaranteed.
  • Call and SMS plans are limited compared to some competitors, usually reserved for premium regional packages.
  • Maximum plan duration limited to 30 days, requiring frequent renewal for long trips.
  • Some small countries less covered or only available in more expensive global plans.
  • Support limited to English and Chinese languages, which can be a challenge for some users.

Customer reviews

App Store

5/5

Excellent for frequent business trips. Plans are transparent and much cheaper than classic roaming. Connection remains stable even in remote areas. A real wallet changer!

January 1, 2026

App Store

5/5

Great performance with BC eSIM. Easy to use for traveling with this app and eSIM data service. Will definitely use it again next time.

January 1, 2026

Google Play

5/5

I manage a fleet of 50+ devices and BC eSIM is by far the most reliable for quick setup. QR code delivery is instant and 4G/5G connections in Poland are perfect. Very stable and recommended for anyone needing reliable international data.

February 1, 2026

Google Play

5/5

Used this esim in China and Hong Kong without any issues. Had full coverage in Wuhan, Luoyang and even on the high-speed train. Excellent customer service that helps until the issue is resolved.

February 1, 2026

Google Play

5/5

Very convenient app for traveling abroad. Support team is exceptional – helped me 3 times already with quick solutions and generous replacements.

January 1, 2026

Description

BC eSIM is an international eSIM service offered by Billion Connect enabling travelers to stay connected through local, regional, or global plans in over 200 countries. Offering data from 300MB to unlimited over 1 to 30 days, the app allows for rapid installation via QR code on iOS and Android. Suited for business travelers, tourists, and digital nomads, it provides transparent pricing with no hidden fees and 24/7 support. Plans include hotspot compatibility and calls/SMS in some regional offers.

How it works

Install the BC eSIM app from the App Store (iOS 13.0+) or Google Play (eSIM-compatible Android) on your smartphone.

Sign up with your email address or via available social login options, then verify your account.

Choose the country or region you are traveling to see available plans tailored to your destination.

Select the data volume (300MB to unlimited) and duration (1 to 30 days) matching your needs.

Pay securely via Visa, Mastercard, Apple Pay, Google Pay, or other accepted methods.

Scan the QR code generated in the app or follow direct instructions to install the eSIM profile in your phone settings.

On arrival, activate the eSIM in network settings and ensure data roaming is enabled to start the connection.

⚠️ If it fails

✅ Check that your phone is eSIM compatible, that you have a stable Internet connection, and make sure to follow the exact procedure. Restart your phone and contact BC support if the issue persists.

✅ Toggle Airplane mode on/off, verify BC eSIM is selected for mobile data in settings, ensure roaming is enabled, and restart your device.

✅ Check your real-time consumption in the BC eSIM app, disable automatic updates and high-resolution video playback, and limit data-heavy apps.

✅ Verify your payment method, ensure your address matches the registered one, try another accepted payment method, and contact support at [email protected] if the issue continues.

Alternatives

FAQ

For a week in Europe, choose the regional Europe plan with 10 to 20 GB of data according to your needs. Plans start around €2.30 for small amounts and offer excellent coverage. Check specific prices on the website for the exact duration of your stay.

Yes, hotspot is generally supported with BC eSIM on most devices, allowing you to share your connection with other devices. However, check your specific plan conditions as some plans may have restrictions.

BC eSIM works on iPhone (iOS 13.0+) and most recent eSIM-compatible Android smartphones. Recent models from Apple, Samsung, Google Pixel, and other brands are generally compatible. Check the official list on the App Store or Google Play before purchasing.

Installation generally takes 5 to 10 minutes. You immediately receive a QR code after payment, which you simply scan to install the eSIM profile on your phone via settings.

Calls and SMS are included in certain premium regional plans (notably regional Europe plans with this feature) but not in all basic plans. Check plan details before purchasing.

Refund and change policies vary depending on the plan type. Contact BC support ([email protected] or 24/7 chat) for exact options regarding your specific plan.

Yes, most modern phones allow simultaneous use of a physical SIM for classic calls/SMS and a BC eSIM for mobile data, offering maximum flexibility.

The BC eSIM app displays your real-time data usage. Regularly check the 'My plans' or 'Usage' section to monitor your consumption and avoid exceeding your limit.

Company info

Legal name: WeiTaiGe Technology Co., Limited

Address: Hong Kong, China

Email: [email protected]

Website: https://www.billionconnect.com

Support

24/7

Accepted payments

Visa, Mastercard, Apple Pay, Google Pay

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