With your smartphone
Use the Oslo City Bike app to see the location of available bikes at any given moment. This is available on both iPhone and Android.
When you are near a station, you can unlock a bike in four steps:
Make sure you are at the station shown in the app. (If a different station appears, check this guide.)
Select the bike type by tapping the icon.
Tap "Unlock bike."
The app will show you which lock to take the bike from.
Take out the bike.
Unlock a specific bike using a QR code:
Tap "Scan QR."
Scan the QR code labeled "Velg meg."
Tap "Unlock bike."
Take out the bike.