Don't worry: your account is linked to your email address, not your device.
To recover your account:
- Install the WeWard app on your new phone
- Log in with the same email address you used before
- Click on the magic link you receive
If necessary, you can find all the steps in our article: How do I log in to the WeWard app?
You will then be able to access all your data: Wards, walking history, challenges, etc.