Here's a simplified guide on how to process a refund on A920 Pro:
Tap on the top left corner to open the main menu.
Select Orders.
Go to the Finished tab.
Choose the order you want to refund.
Click on the Return order button located at the bottom right corner.
Enter your PIN code using the numpad and press OK.
Tap on the items you want to refund.
If you're refunding the entire order, click on the ... button at the bottom right corner and select Select all.
Click on the ... button at the bottom right corner again and choose the payment method for the refund. Please note that the refund can only be processed using the same payment method that was originally used for the order.
Once these steps are completed, your order refund is completed.