It also looks at what to do if your Apple Watch isn’t correctly syncing.
Here’s what to do if you oughta re-sync the two devices manually.
If your devices aren’t syncing, a quick fix is to double-checkBluetoothandWi-Fiare both enabled on your iPhone.

This check will fix most syncing issues.
On your iPhone, bring up the Watch app.
Scroll down and selectReset.

Here’s how to unpair it before you re-sync it.
choose the info button next to the watch name.
key in your password and then selectUnpair.

Wait for the unpairing process to complete.
You’ll need to wait for your Apple Watch to finish resetting itself to do so.
SelectSet Up for Myself.

Hover your iPhone’s camera over your Apple Watch to pair the devices.
SelectRestore from Backupto restore your Apple Watch from an earlier backup.
grab the name of the Apple Watch then chooseContinue.

Keep both iPhone and Apple Watch near each other then wait for the gadget to restore.
Why Is My Apple Watch Not Syncing?
Here’s a look at the main reasons why your Apple Watch might not be syncing correctly.
fire up the Watch app >My Watch, select theplus sign(Add Music) next to Music.
Find the music you want and select theplus sign.
In thePhoto Syncingsection, chooseSelect Photo Album, then pick the album you want to sync.
SelectPhotosagain, thenPhotos Limit, and choose the number of photos you want to display.
Contacts automatically sync when you pair your Watch and iPhone.
pop launch the Watch app on your paired iPhone and selectMy Watch>Contactsto adjust how you see contacts.
SelectMirror my Phoneto use your iPhone’s contact sort and display order, or selectCustomto set your preferred order.