Chip and PIN Card Reader Setup Guide
Pair your mobile card reader over Bluetooth and start taking chip, contactless and PIN payments.
This guide covers setting up a mobile chip and PIN card reader that pairs over Bluetooth with your phone or tablet. You will need the reader, its charger, a compatible phone or tablet, and your payment app login. It walks through charging, pairing, connecting the reader in the app and running a test transaction before you take real payments.
Setting it up, step by step
- Charge the card reader fully using its supplied cable, ideally until the battery indicator shows a complete charge, then switch it on with the power button.
- Install the payment app named on the product page or by your provider onto your phone or tablet, then sign in with your merchant account details.
- Put the reader into pairing mode, usually by holding its Bluetooth or pairing button until an indicator light flashes to show it is discoverable.
- Open your device Bluetooth settings, wait for the reader to appear, then select it to pair, confirming any passkey shown on the reader or screen.
- Return to the payment app and go to its hardware, reader or card machine settings, then connect or select your reader from the list so the app can talk to it.
- Follow any prompts in the app to update the reader software, as a first-time firmware update is common and ensures it stays secure and certified.
- Run a small test transaction, then void or refund it, to confirm the reader and app are talking to each other and payments complete.
- Take a chip payment by inserting a card and entering the PIN, then test a contactless tap and a PIN entry so you know every payment type works before trading.
Payment-app pairing & compatibility
A mobile chip and PIN reader is PCI-certified and does not store card details itself, so it must pair with an approved payment app to work, rather than acting as a standalone device. Before buying, confirm the reader is supported by your chosen payment provider and that their app runs on your phone or tablet operating system, whether iOS or Android, and meets its minimum version. Keep the reader charged and the app updated so security certification and firmware stay current for reliable, compliant payments.
Frequently asked questions
Why will the reader not pair with my device?
Confirm the reader is charged and in pairing mode with its light flashing, then check Bluetooth is on. Remove any old paired entry for the reader in your Bluetooth settings, as a stale pairing blocks a new one. Keep the reader close to your phone or tablet during pairing and try switching Bluetooth off and on again.
Why can the app not find or connect to the reader?
Make sure the reader is paired in your device Bluetooth settings first, then connected separately inside the payment app hardware settings, as these are two steps. Confirm the app has Bluetooth and location permissions granted, which many payment apps need to find readers. Restart the app, and if needed the reader, then try connecting again.
Why is a test payment being declined?
A decline is often the card or bank rather than the reader, so try a different card. Confirm your device is online, as transactions need a connection to authorise. Check your merchant account is fully activated with your provider. If the reader connects and prompts for the card but every card fails, contact your payment provider to confirm your account status.
Why does the reader keep switching off?
Many readers sleep after a few idle minutes to save battery and wake when you start a sale in the app, which is normal and not a fault. If it powers off mid-payment, charge it fully as a low battery causes shutdowns. Keep it near the paired device so it does not drop the Bluetooth link and appear to switch off.
Why is contactless not working when chip does?
Check the app and reader are set to accept contactless, as some setups have limits or need it enabling. Ask the customer to tap the card flat against the contactless symbol on the reader, not the chip slot. Very high amounts may exceed contactless limits and require chip and PIN instead, which is a card rule rather than a reader fault.