> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fizen.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Fizen eSIM

<CardGroup cols={2}>
  <Card title="$10 App Welcome Credit" icon="gift" href="/help-center/fizen-esim/welcome-credit">
    New users from 19 August 2026 get \$10 of promotional credit automatically in the app
  </Card>

  <Card title="How to Buy an eSIM" icon="cart-shopping" href="/help-center/fizen-esim/how-to-buy-an-esim">
    Purchase and one-click activation
  </Card>

  <Card title="Supported Devices" icon="mobile" href="/help-center/fizen-esim/supported-devices">
    Check if your phone supports eSIM
  </Card>

  <Card title="Manual Installation" icon="qrcode" href="/help-center/fizen-esim/manual-installation">
    Install by QR or activation code
  </Card>

  <Card title="Check Data Balance" icon="gauge-high" href="/help-center/fizen-esim/check-data-balance">
    See what's left and buy more in time
  </Card>

  <Card title="Troubleshooting" icon="wifi-slash" href="/help-center/fizen-esim/troubleshooting">
    No internet? Fix it in 2 minutes
  </Card>

  <Card title="1:1 Trip Guarantee" icon="shield-check" href="/help-center/fizen-esim/trip-guarantee">
    Free 1-for-1 replacement or refund
  </Card>

  <Card title="eSIM FAQ" icon="circle-question" href="/help-center/fizen-esim/faq">
    Hotspot, phone number, buying more data & more
  </Card>

  <Card title="Plans & Pricing" icon="globe" href="https://fizen.io/esim">
    Browse destinations on fizen.io/esim
  </Card>
</CardGroup>

## Keep reading

* [Buy an eSIM with USDT: the complete guide](https://blog.fizen.io/fizen-esim-complete-guide/)
* [How much eSIM data do you need for a trip?](https://blog.fizen.io/how-much-esim-data-do-you-need-2026/)
* [eSIM vs pocket WiFi vs local SIM: which is best?](https://blog.fizen.io/esim-vs-pocket-wifi-vs-sim-card-2026/)
* [Compare plans and prices on fizen.io](https://fizen.io/esim/pricing)