How to Refund SumUp Transactions on the POS
Integrate your credit card payments providers with AirPOS
If you are using the AirPOS App Store version 3.8.18, and have previously setup your Zettle integration in your backoffice, you should first disable Zettle in Payments Settings, before updating your
The iZettle Card Reader 2 now connects to your tablet via Low Energy Bluetooth and doesn't need to be paired with your tablet in the same way as before.
You can access these settings by tapping or clicking on the settings cogwheel and selecting 'Payments' from the left margin
Hardware Manufacturers use embedded software to control the functions of various devices, known as 'Firmware'. Periodically this firmware will be updated to fix bugs, roll out new features and improve security.