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Troubleshooting Your Card Reader

Having difficulty with your card reader? Here are some tips that we recommend to help get you started:

  1. Remove your phone case. Some phone cases prevent readers from plugging in all the way.
  2. When you plug your reader in, make sure you see the app text change from "Connect the Card Reader to your headport" to "Swipe your card through the Card Reader."
    • If you don't see the text change, try unplugging and plugging the reader back in.
    • For iOS users, make sure your microphone permissions are enabled under Settings > Privacy > Microphone > Coin.
  3. Press your card's magnetic stripe firmly against the reader's metallic head. The magnetic stripe should face the fat side of the reader, as shown in the figures below.
  4. Keep the card reader extremely still and straight when you swipe your card through the reader. If the card reader moves when your card is swiping, it distorts the data and your app will reject the swipe.

 

 

 

If these steps do not resolve your issue, please try these troubleshooting methods:

  • Make sure you are using the latest version of the Coin mobile app. Quickly update your app with the links below

  • Force close the Coin mobile app.
  • Try different swiping speeds. The card swipe in this video is considered normal speed.
  • Unplug and plug the reader back into the headphone port of your mobile device.
  • Press the volume all the way up on your phone.
  • Check your headphone/audio jack for lint or dust and clean it out as needed
  • Please try to swipe a different card into the card reader. This is to sanity check there is not an issue with the magnetic stripe on a specific card being worn down.

 


If you continue to have trouble adding cards, please click here for support.

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