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3G card reader
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.
Read ArticleSet up my card reader
Discover how to set up your card reader so you can start getting paid. Here’s all you need to know to take your card reader from box to counter.
Read ArticleConnect to the internet
Choose a Wi-Fi connection or a mobile network to connect your device to the internet and resolve common connection issues.
Read ArticleAccept card payments
Accepting card transactions with a card reader is quick and easy with SumUp. Here’s all you need to know.
Read ArticleIs my printer compatible?
Check out which standalone printers are compatible with SumUp so you can start printing receipts for your transactions.
Read ArticleConnect a printer
Connect a printer to use with SumUp so you can start printing receipts after transactions or reprint receipts from previous sales.
Read ArticleSolve card reader battery issues
Is your card reader not charging or losing battery power fast? Find out how to fix your card reader’s battery-related issues.
Read ArticleTroubleshoot my Air and 3G card reader
Is your card reader not working? Here is how you can solve common card reader-related issues
Read ArticleUpdate 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.
Read ArticleMy card reader won't connect
Bluetooth connection not working? Find out how to reset your card reader's Bluetooth and fix connectivity issues.
Read ArticleActivate Bluetooth
Turn on your Bluetooth so you can connect to other devices to take payments.
Read ArticleReissue 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.
Read ArticleMy card reader is blocked
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.
Read ArticleWhat'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.
Read ArticleConnect to a card reader
Connect to your card reader via the SumUp app or a POS device so you can take orders and the accept card payments seamlessly.
Read ArticleRefill 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.
Read ArticleWhat'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.
Read ArticleReduce 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.
Read ArticleRecycle unwanted card readers
As part of our commitment to the environment, you can return old, unwanted card readers to us free of charge so we can dispose of them properly.
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