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Smartphone key: how to open the door

Here is how to open our doors with the JustIN Mobile app, and what you can do if it does not work.

Set up the app

Install the JustIN Mobile app and sign in with the mobile number you gave us.

If the app does not show a key yet, wait a few minutes and open it again.

If your membership starts later, your key becomes active on the start date from about 07:00. You cannot sign in to the app before then.

Install the JustIN Mobile app

How to open the door

  1. Turn on Bluetooth.
  2. Open the JustIN Mobile app and tap the green button with the key symbol.
  3. Wake up the lock: Touch the lock with your phone, ideally with the top edge near the camera first. Hold it there until the lock flashes yellow. Now it is awake.
  4. As soon as it flashes yellow, pull your phone back 5 to 10 cm. The phone connects by itself.
  5. The lock lights up green and the door is open.

Especially with an iPhone, tapping the button in the app is often not enough: the lock has to be woken up first.

What your phone needs

Not working? Go through these points in order

  1. Update the key (most common cause): Have you not been to the gym for a while, or does the app say that no key is available or that the key has expired? For security reasons the key renews itself every 7 days. Open the app with an internet connection and swipe down on the screen. The key is then up to date again.
  2. Wake up the lock: If the key is up to date and the door still does not open, it is usually the handling, especially with an iPhone. Wake up the lock first, as described above.
  3. Check the settings: Bluetooth is turned on, on Android also NFC. The JustIN Mobile app is allowed to use Bluetooth, on Android also NFC. You can check this under Settings → Apps → JustIN Mobile → Permissions. Thick phone cases or cards in the case can block the signal. Take your phone out of its case for a moment.
  4. Update and restart: Update your phone's operating system and the JustIN Mobile app (App Store or Google Play) and restart your phone completely.
  5. Reinstall the app: Delete the JustIN Mobile app, restart your phone, install the app again and sign in with the mobile number you gave us. Then swipe down on the screen so that the key loads.
  6. iPhone only, after a stay abroad or with an Apple account from another country: The app shows the green tick but the door does not open? In the app, tap the small building symbol at the top right of the green bar, to the left of the gear icon. The app switches back to Bluetooth and the door opens again.

New phone or new number?

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Still not working?

If none of this helps, the smartphone key sometimes does not work with a particular phone model. In that case we recommend the key card (CHF 29.- one-off), it always works reliably.

Order a key card

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