Merchant Machine

How To Fix Common Problems With Your Square Reader


By: Ian Wright | Last Updated: April 25, 2025

Short Summary

TLDR: Ensuring your Square reader is properly paired with your device and troubleshooting any connection issues can help ensure smooth and successful transactions.

00:00 Make sure your device’s operating system is up to date, using a compatible device, and the most recent version of the Square Point of Sale app, and that your Square reader has enough charge to pair.

00:46 Check battery level and reset bluetooth connection to troubleshoot Square Reader issues.

01:04 To troubleshoot your Square Reader, unpair it from your device, reboot the reader, toggle Bluetooth off and on, and then restart your device before repairing the reader.

01:44 Pair your Square reader with your device by accessing the settings in the Square Point of Sale app and following the on-screen instructions for successful troubleshooting.

Full Text

Problems Pairing Your Reader

If you’re having trouble pairing your square reader to your phone or tablet there are a couple of troubleshooting steps. You can try to get things back up and running first check and make sure that your device’s operating system is up to date just navigate to the settings app on your apple or android device.

Once you confirm your. Device’s software is on the most recent version double check that you are using a compatible device. You can check out our site for a full list of compatible devices here.

Make sure you are using the most recent version of the square point of sale app by heading to the app store on an apple device or the play store on an android device.

Next make sure that your square reader has enough charge to pair through our device.

Check Battery Levels

You can check the battery level on your reader by tapping the small button on the side. We recommend attempting to repair your reader on a full battery next try resetting the Bluetooth connection between your device and the square reader on your phone or tablet tap into the Bluetooth section.

Check Bluetooth Connection

In your settings under devices, you should see the square reader listed on an apple device tap. The information symbol then forget this device on an android device tap the gear icon then forget once you have unpaired the square reader from your phone or tablet.

You’ll need to reboot the square reader itself press and hold the button on the square reader for around 10 to 15 seconds as you hold the button the lights on the reader will flash orange then red and then should flash off.

Once the lights flash off your reader has been rebooted before you repair the reader toggle your Bluetooth setting off toggle back on and then turn your phone or tablet off and let it rest for 30 seconds turn your device back on.

Check It’s Now Working

Now. It’s time to try and pair your square reader on your phone or tablet tap into the square point of sale app tap the menu icon settings and hardware. From here you can select the square reader and tap the connect.

A reader button follow the instructions on the screen of your device to begin pairing your reader. If the troubleshooting is successful. You’ll see a confirmation on your screen that the square reader is connected to learn more head to the Square website.

11 Best Card Machines For UK Small Business From £19

UK Merchant Account & Credit Card Processing Fee Comparison

21 Top Ecommerce Platforms For UK Businesses Comparison

Compare 100+ UK Payment Processing Companies & Merchant Services

Payment Gateways In The UK: What You Need To Know For 2025

Square Card Reader Reviews: UK Payment Fees & Pricing Compared

PDQ Machines: Cheap Chip & Pin Card Payment Terminals From £19

Square Tap to Pay

9 Best Tap To Pay On Apple iPhone & Android UK Options

7 Best Contactless Vending Machine Card Readers In The UK

7 Best Mobile Card Readers With Built-In Receipt Printers

Please note: Merchant Machine is an information and comparison website only.
We do not provide merchant services nor can we recommend which solution is right for you and your business.
Blog · About · Privacy Policy · Terms of Use · Contact Us
Copyright © 2025 Brilliant British Ltd trading as Merchant Machine

Registered Office Address:
3rd Floor Great Titchfield House, 14-18 Great Titchfield Street, London, United Kingdom, W1W 8BD
Company number 10490224