Set Up the Square Reader
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There are two generations of Square Reader: Square Reader (1st generation) and Square Reader (2nd generation). Both generations have the same setup process. To learn about the differences between the generations of readers, view our guide on how to identify your Square Reader.
You can purchase Square Reader directly from Square Shop.
Before setting up your Square Reader, make sure you have a compatible device with the latest version of the Square app.
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Square Reader (1st generation)
Square Reader (2nd generation)
For a full overview of setting up your Square Reader, watch this video or keep reading below:
1. Check the Battery of Your Square Reader
For an accurate battery reading, unplug your reader from any power source.
Firmly press and release the button on the reader. Green lights indicate that you’re charged and ready to go. If you see a single red light, charge up immediately. Once your reader is on, you don’t need to worry about turning it off. It’ll automatically go into a low-power state after 2 hours of inactivity. To wake it up from a low power state, firmly press and release the power button on the reader.
2. Charge Your Square Reader
Connect one end of the accompanying USB cable to your reader and the other end to a USB port like a wall socket, portable battery, laptop/desktop computer or car charger.
It’ll take approximately two hours for a reader with a low battery to charge completely.
3. Wirelessly Connect Your Square Reader
The reader connects wirelessly with Bluetooth Low Energy (Bluetooth LE). Make sure you have the latest version of the Square app for your device - only the latest version supports the Square Reader.
To connect your reader:
Press and release the button on your reader to power it on.
Go to your device settings and make sure Bluetooth is enabled.
Open the Square app and tap ≡More from the navigation bar at the bottom of your screen.
Tap Settings > Hardware > Square Reader > Connect a Reader.
Put your reader into pairing mode by pressing the reader’s button for 3-5 seconds. Remove your finger as soon as you see orange flashing lights. If you see red flashing lights, you’ve held the button too long and you’ll need to try again.
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In the app, a pairing confirmation will appear, make sure to tap “Pair” to complete the pairing process
On Android devices, quickly tap Pair and Pair & connect each time you’re prompted until the connection is successful. If the connection fails, start the pairing process over and make sure to accept all Pair and Pair & connect prompts within 5 seconds.
When connected, the reader will be listed as Ready in the Square app.
Important to note
Due to extended security measures, some Android devices will require multiple confirmations during the pairing process. We apologise for any inconvenience and are actively working with Android to help make this process easier.
Any necessary firmware updates will be automatically installed once the reader has been connected. The wireless connection can be lost if the reader and device are more than 3 metres apart.
Processing payments in Offline Mode is currently unavailable with the Square Reader.
Keep in mind, if you are reconnecting a reader that was previously paired to a different device, you may need to forget your reader from the device it was previously paired with. For more information on reconnecting a reader, check out our troubleshooting article.
Now that you’re set up, learn more about accepting chip and PIN card and contactless payments.
Square Reader (1st generation) Connectivity
This Square Reader will go into a low power state if it hasn’t taken a payment for a while and will remain connected to your device for up to 8 hours. Any interaction with the reader through Point of Sale will wake it up from this low power state as long as the reader is within 3 metres of the device. The reader will power off completely after 8 hours of inactivity. After this point, you’ll need to press the button on the reader to reconnect.
Square Reader (2nd generation) Connectivity
Stay Connected is a feature built into this Square Reader. This feature aims to maintain connectivity, improve reliability, help save battery and eliminate the need to press the power button to re-pair the reader after a period of inactivity
Square Reader (2nd generation) will go into a low power state if it hasn’t taken a payment for a while, and will remain connected to your device for up to 30 days. Any interaction with the reader through the previously paired Point of Sale will wake it up as long as the reader is within 3 metres of the device. The reader will power off completely after 30 days of inactivity. After this point, you’ll need to press the button on the reader to reconnect.
Note: Stay Connected only works if the Square Reader(s) have been paired to the device already. If the reader has never been paired to the device, you’ll need to go through the initial pairing process.
Not sure which Square Reader you have? Learn how to identify your Square Reader.
Protect Your Reader
Get the most life out of your Square Reader by avoiding damage to the hardware. Certain attachments and environments can cause damage to Square Reader over time and shorten the lifespan of your device. To protect your device:
Avoid using Square Reader in wet environments and avoid getting water or liquid in the card slot. Taking chip & PIN cards with wet credit or debit cards can also cause liquid damage.
Don’t use strong magnets, hook-and-loop fasteners (such as Velcro), adhesive or mounting hardware not tested by Square to frequently mount and unmount Square Reader. Use of third-party accessories not tested by Square to secure Square Reader to surfaces can add tension or pressure to the device, which can cause damage.
Move Square Reader away from sources of Bluetooth interference, such as near microwave ovens, cordless phones, fluorescent lights or on a metal table.
To protect your Square Reader from everyday wear and tear, we recommend using the compatible cases and docks featured in Square Shop. These cases fit a variety of mobile phones and tablets. Keep your Square Reader in place for quick, seamless countertop transactions by attaching it to a compatible dock for Square Reader. Before placing an order, make sure your reader and dock are compatible. Learn more about identifying the differences between Square Reader (1st generation) and Square Reader (2nd generation).
What do the lights mean?
Connecting your reader
| Lights | Pairing Status |
|---|---|
| Four orange lights flashing | Reader is in pairing mode |
| Four green lights | Reader has successfully paired |
| Four red lights | Reader failed to pair |
Accepting a payment
| Lights | Payment Status |
|---|---|
| One green light | Reader is ready to take a payment |
| Moving green lights | Reader is processing a payment |
| Four green lights | Payment was accepted |
| Four red lights | Payment was declined |
Checking your battery
| Lights | Charge |
|---|---|
| Four green lights | Battery is 100% charged |
| Three green lights | Battery is 75% charged |
| Two green lights | Battery is 50% charged |
| One solid red light | Battery is 25% charged |
| One blinking red light | Battery is low – charge immediately |
Connect Square Stand and Square reader
If you’re using a Square Stand with the reader, set up is quick and simple. Just plug the included USB cable or Dock for Square Reader in to the USB hardware hub on the Square Stand.
You can also connect your reader wirelessly via Bluetooth Low Energy using the steps above if there are no free USB ports on your Stand’s USB accessory hub.
Watch this video to learn how to connect the Square Stand and reader:
Find answers to Frequently Asked Questions and review these reader troubleshooting tips if you run into any issues.