How to fix Failed to fetch default token error?

Question

I am getting this error after installing in iphone.

Answer 1

You have to fix this line before handling this error:

Failed to fetch default token Error Domain=com.firebase.iid Code=0 "(null)"

Here is an answer to fix this issue

Answer 2

Possible reasons for this issue:

1. Device date was not set to the current date.
2. Bundle ID is not same that one you set in GoogleService-Info.
3. .p12 certificate uploaded on Firebase Console is not correct.