PAX A920 FAQ
What is the difference between a Debug device and a Live device?
The A920 Debug device is intended for development purposes only. It allows you to sideload an APK and transfer files through USB cable easily and quickly.With Live devices, for security reasons, it is impossible to sideload an APK. The only way to update the applications is through PAXSTORE.
Only Live devices are allowed to be deployed in the market.
How to check if a PAX A920 device is Debug Mode or Live Mode?
Turn on the device, you can find a
DEBUG only Not for COMMERCIAL
watermark on the bottom right of the screen on a Debug device.If no watermark is visible, it is a Live device.How to install an App on a Debug device?
If you develop your Android app with Android Studio you can simply connect the device to your computer and install the APK directly on the device.Alternatively, you can transfer the APK to the device, then click it on the device and follow the instructions to install it. On Mac, you will need a file transfer tool (e.g. Android File Transfer). On Windows, you can simply copy and paste the APK.
PAX Password
Terminal OS | Setting Password | Developer Option Password (Debug Device Only) |
|---|---|---|
A920 5.1 (V3.22 and Below) | 9876 | pax9876 |
A920 5.1 (V3.23 and Above) | pax9876@@ | Dev9876@@ |
A920 7.1 (V5.05 and Below) | 9876 | pax9876 |
A920 7.1 (V5.06 and Above) | pax9876@@ | Dev9876@@ |
How to install an App on a live device?
After building a new APK, please fill out the form to send us the details (including the APK) of your application. Every update needs to go through the App review process which is approximately
2 - 3 days
.Once the submitted app is approved it will be available in PAXSTORE for download.What is BroadPOS P2PE?
BroadPOS P2PE is a payment application developed by PAX that is responsible for card data encryption and returning the encrypted card data to the point-of-sale application running on PAX device.
How to find device logs on a PAX device?
On a debug device, both BroadPOS logs and POSLink logs are useful for troubleshooting device-related issues.
- BroadPOS log: The BroadPOS logs are located at /sdcard/Android/data/com.pax.us.pay.std.broadpos.p2pe/files with the name broadpos_logyyyymmdd.log
- POSLink log: The POSLink logs are in the root folder with the name POSLINKyyyymmdd.log
On a live device, you can’t access the files. If you need the log please contact Payworks Support.
How to fix the "MULTIPLE BROADPOS NOT ALLOWED" error?
If you encounter a
Multiple BoradPOS Not Allowed
error when starting a transaction, it is because you have installed an application (most likely it would be PlainKeyInject) on your device that is not compatible with the payment application BraodPOS P2PE pre-installed on your PAX device.Go to Settings
(Password: See PAX Password above) -> Apps
, and check if you can find PlainKeyInject
app on the list. If yes, please uninstall it. If it doesn’t fix the problem, please contact Payworks Support.What type of signature should be used when signing an App?
In order to publish an APK on PAXSTORE, the suggested method is to use a local Keystore and let Android Studio sign the APK. All the APK versions of the same App should be signed with the same developer signature.
What to do with “Accessory update require” Error?
This happens because your android SDK version is not compatible with BroaPOS P2PE version on your device. Please contact Payworks Support to update the BroadPOS P2PE on your device
How to Factory Reset PAX A920?
Go to
Settings (Password: See PAX Password above)
-> Backup & reset
-> Factory data reset
-> RESET PHONE
. Note that the factory reset will not affect the Device Key preloaded.