ACR39U-UF (ACR 39) Smart Card Reader

Looking to buy? See the full ACR39U product page for specifications and pricing, or read our ACR39U vs ACR40U comparison if you're also considering the newer ACR40U.

Steps How to Attach/Install and Test Reader (ACR39U-UF)

Scan the QR code

or

Here download the app

Download the APP

Step 1 How to install test app on your android mobile phone.

After clicking on Download, a pop-up will open. Click on Install.

After installation a massage will appear like above screen means app is installed.

Step 2
How to attach reader to phone.

After connecting the reader with phone a green light will be blinking which means reader is connected with phone.

Step 3
How to run app.

After app installation app icon will look like as per below red marked. Open the marked icon app

Step 4

Click on list. When you click on list few data will open as per below screen.

Step 5
Click on open

Step 6

After clicking on open a pop-up will appear, which means give access to app to read the reader click on “OK”

Step 7

Once you click “OK,” all the options will appear on your screen, confirming that the reader is functioning properly and is in good working condition with no issues.

Frequently Asked Questions

Scan the QR code on this page or download the companion Android app directly, install it on your phone, attach the ACR39U-UF reader, then open the app to test the connection — the full step-by-step walkthrough is above.

Yes, this page provides a complete Android setup guide covering app installation, attaching the reader to your phone, and running the app to verify it's working.

You can download it directly from this page using the provided download link, or by scanning the QR code shown above the setup steps.

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