Download the Point of sale & Linkly application from the App Store and log in to your Erply account (client code, username, password).
Go to POS Settings -> Select Payment configuration -> Setup Payment Gateway. From the dropdown menu select Naitive wrapper (IOS/Android).
You will see Linkly/EFTPOS payments setup menu.
Fill out the credentials that Linkly has provided to you (Username, Password, Pair Code etc).
Press Activate and Update.