> ## Documentation Index
> Fetch the complete documentation index at: https://help.2chip.app/llms.txt
> Use this file to discover all available pages before exploring further.

# 2Chip Help Center

> Help with choosing an eSIM plan, installing it, connecting abroad, orders, payments, top-ups, and support.

New to eSIM? Start from the beginning. Already bought one? Jump straight to the step you need.

## Before your trip

> [card] [New to eSIM](https://help.2chip.app/en/getting-started/what-is-2chip.md)
>
> What eSIM is, how 2Chip works, and where to start.

> [card] [Choose a plan](https://help.2chip.app/en/getting-started/choosing-a-plan.md)
>
> Coverage, data, validity, and other plan conditions.

## Already bought an eSIM

> [card] [Find my order and eSIM](https://help.2chip.app/en/purchases/order-history.md)
>
> Find your order, installation details, and available actions.

> [card] [Install my eSIM](https://help.2chip.app/en/installation/overview.md)
>
> QR code, manual installation, iPhone, and Android.

> [card] [I’ve arrived](https://help.2chip.app/en/using-esim/connect-after-arrival.md)
>
> What to turn on so mobile data starts working.

> [card] [Data left and top-up](https://help.2chip.app/en/using-esim/managing-data.md)
>
> Check remaining data, validity, and whether this eSIM can be topped up.

## Something went wrong

> [card] [eSIM won’t install](https://help.2chip.app/en/troubleshooting/install-failed.md)
>
> QR issues, used codes, interrupted installation, and deleted profiles.

> [card] [No internet](https://help.2chip.app/en/troubleshooting/esim-not-working.md)
>
> Check network registration, mobile data, roaming, and plan status.

> [card] [Payment or order issue](https://help.2chip.app/en/purchases/payment-failed.md)
>
> Pending or failed payment, missing order, or duplicate charge.

> [card] [Contact support](https://help.2chip.app/en/about/contact-support.md)
>
> Choose a topic and send a request with the context 2Chip already knows.

## Account and referrals

> [card] [2Chip account](https://help.2chip.app/en/account/create-account.md)
>
> Sign in, recover access, and manage your account.

> [card] [Invite a friend](https://help.2chip.app/en/referrals/referral-program.md)
>
> Referral link and code, your friend’s discount, and your reward promo code.


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