Some airlines offer an option of check-in via your mobile phone.The whole check-in process can be done via the carrier’s mobile appFollowing successful check-in, a 2D bar code will be generated directly in the app, which will serve as an electronic boarding passOn your arrival at the airport (if you are travelling only with hand baggage) you can proceed directly to the boarding pass validators (follow signs Departures / All gates), where you can place your mobile phone with the uploaded 2D bar code on the scanner and then proceed to passport control (Terminal 1) / and the security check (Terminal 2).If you are travelling with checked baggage, you must check-in your baggage at the Baggage drop-off counter.