Open the Galaxy Wearable app on the new Android smartphone.
If necessary, install the app.
Tap Get Started.
Tap Galaxy Watch 46mm/42mm.
If prompted, tap Allow to approve the necessary permissions.
Ensure the passkey matches what's displayed on the Galaxy Watch then tap 'PAIR' or 'Connect'on the smartphone and the Checkmark icon on the Galaxy Watch.
If using a non-Samsung Android smartphone to complete setup, tap OK then tap Install to allow the Gear Plugin and Samsung Accessory Service to install.
If using a non-Samsung Android smartphone to complete setup, when prompted with 'Allow Galaxy Watch PlugIn to...', tap ALLOW.
Review (check) the Terms and conditions for each option then tap Next.
You can agree to all or some of the services; however, accepting all the Samsung services improves your experience on the Galaxy Watch.
If prompted, tap Sign in to complete the Samsung account setup.
If you choose 'Skip', you can add a Samsung account after setup is complete.
If prompted to Restore your watch from backups, do the following:
Tap Check for backup to retrieve a previous Samsung smartwatch backup then tap Next.
If you prefer to set up as new, tap Skip for now then tap Next.
Select the data (e.g., Phone, Messages, etc.) you want to restore then tap Restore.
Selected when a checkmark is present.