Apple watch
Before i pair my apple watch ohone on my old iphone. Now i cannot pair it tommy new iphone. And i forgot my apple id and mynpassword.
User profile for user:
Community User
You can request an Online Activation Lock Removal here.
Or this;
If you can't remember/gain access to the apple id that paired the watch to the phone.Take the watch and it's receipt along with some photo id and any other proof of ownership to an Apple Store and request that they remove the Activation Lock for you.
Then go here;
How to pair your Apple Watch with a new iPhone – Apple Support