apple watch
My watch is pairing with my old icloud and I can't seem to change it to the new.
Apple Watch Series 5, watchOS 7
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Community User
You have to remove the watch from your old icloud account;
To unpair and erase watch and remove Activation Lock.
On a computer, go to iCloud.com and sign in with your old Apple ID.
Go to Find Iphone.
Select All Devices, then click your Apple Watch.
Click Erase Apple Watch.
Select Next until the device is erased.
Click the remove button next to your Apple Watch.