To enable synchronization, you must first define what will be your main device (for example your iPhone, if you have an iPhone and an iPad).

On this main device:

1. Press the "My Account" button from the side menu.
2. Tap the line corresponding to the connected account.
3. A synchronization key is automatically set. Choose a 4-digit sync code and save.

On your secondary devices:

4. Press the "My Account" button from the side menu.
5. Tap "Connect another account"
6. Enter the key and synchronization code for your main device.

Your account is now connected to 2 devices.