Elo Kiosk | PAX A35 App Verification

This guide will walk you through how to confirm that your PAX A35 Card Reader is running the correct version of the Shift4 BroadPOS App and the appropriate firmware.
 

🔍 Why This Matters

Verifying the correct app and firmware ensures your A35 reader works seamlessly with your Elo Kiosk and provides a reliable payment experience for your customers.
 

📅 Current Gold Standard Versions (as of June 12th, 2025):

• A35 Firmware: PayDroid_10.0_Cedar_V17.2.19_20240313
• Shift4 BroadPOS Manager: V1.02.00E_20250226
• Shift4 BroadPOS Lite: V1.00.18E_20241220

📌 Note: If you’re viewing this guide more than 6 months after the listed date, we recommend reaching out to our support team to confirm these versions are still Gold Standard. 

📧 Contact: venuesupport@shift4.com

🔐 Step 1: Open the PAXStore App

From the home screen of your A35 device:

1. Tap the PAXStore app to launch it. 

2. In the top-left corner, tap the ☰ hamburger menu.

🆔 On this screen, you'll see your A35 Serial Number displayed in the center — keep this handy if support is ever needed.

🛠️ Step 2: Check Your Firmware Version

1. In the menu, select Firmware Update.

2. Look under Current Version to find your device's firmware version.

3. Make sure it matches the version listed below.
    

• A35 Firmware: PayDroid_10.0_Cedar_V17.2.19_20240313

📦 Step 3: Verify the Shift4 BroadPOS App Version

1. Go back a page in the menu and tap Download Task.

2. Look for the Shift4 BroadPOS Apps listed. 

3. Make sure it matches the versions listed below.
    

• Shift4 BroadPOS Manager: V1.02.00E_20250226
• Shift4 BroadPOS Lite: V1.00.18E_20241220

✅ All Set? Here’s What’s Next:

Once you've confirmed that both the firmware and app versions are correct, you’re ready to move on!
 

👉 Head over to the Elo Kiosk | How to Link Your A35 Card Reader to Your Kiosk guide to learn how to connect your card reader for payments and manage the Shift4 BroadPOS App.