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3G card reader

Reissue receipts

Provide a second copy of an old receipt or simply send or print a receipt from a previous sale. Here's how it's done.

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Replace broken card readers

If your device is blocked or otherwise defective, you may be eligible for a free replacement. Here's how you can get a replacement device if yours breaks.

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Reduce the risk of chargebacks

The best way to reduce the risk of payment disputes is to ensure customer satisfaction at all times, but you can also take additional steps to take payments securely.

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Accept card payments

Accepting card transactions with a card reader is quick and easy with SumUp. Here’s all you need to know.

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Connect to the internet

Choose a Wi-Fi connection or a mobile network to connect your device to the internet and resolve common connection issues.

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Connect a printer

Connect a printer to use with SumUp so you can start printing receipts after transactions or reprint receipts from previous sales.

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What's the 3G?

The 3G card reader is a mobile, standalone card reader with a built-in SIM card so you can accept card payments no matter where you are.

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Get the most out of my card reader

Improve the performance of your card reader with advice on how to use it best. From battery life to updating your reader, here’s what you need to know.

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Activate Bluetooth

Turn on your Bluetooth so you can connect to other devices to take payments.

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Update my card reader

Your card reader automatically checks for updates on a regular basis, however here's how to manually check for card reader updates to ensure everything runs smoothly.

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Refill my 3G printer paper

Printer out of paper? Here's how to replace your 3G printer's paper rolls and what to do if there's a paper jam.

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What's the 3G printer?

The 3G printer connects to your 3G card reader so you can easily print receipts. Check out how the 3G printer works right here.

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