I got a new phone with the same phone number:
You can log back into your account by tapping Get Started and entering the number that you used to sign up.
I got a new phone number, and I'm still logged in with my old phone number:
You can update your phone number right from the app! Here's how:
Tap on the menu icon in the top-right corner ☰
Tap on Account Information
Select your phone number and follow the prompts to update it
I got a new phone number, but I'm logged out:
No problem! Just tap “Changed Phone Number?” and you’ll be able to log in with the email you used to sign up for your account. Once logged in, you’ll be able to change and verify your new phone number.