To split an order on A920 Pro, you need to follow these steps:
Make sure there are at least two products in the basket.
Tap the ( ⋮ ) button located in the lower right corner.
Click on the More... button in the left corner.
Tap the ( ⋮ ) button once more.
Select the Split the bill option.
Choose the products that should be included in the first payment.
Tap the ( ⋮ ) button again.
Select the Pay split order option.
Choose Credit card or Cash (or any other activated payment method) to finalize the payment.
Repeat these steps until the entire bill is paid.
That's all there is to it.