If your Apple Watch still can't connect, unpair it from your iPhone, then pair your Apple Watch and iPhone again.
In respect to this, why does my Apple Watch keep disconnecting from my phone?
Disconnections can be normal, such as when the watch loses the Bluetooth connection with the paired iPhone and no known W-Fi network is available. If your watch is not connected and Airplane Mode is turned on, tap the button to turn it off. It may otherwise help to toggle Airplane Mode on and off again.
Furthermore, why does my Samsung watch keep disconnecting from my iPhone? Check all software on the watch is up to date. Unpair the watch and phone. Delete the pairing in the phones Bluetooth settings. Factory reset the watch if necessary.
Similarly, you may ask, why does my Fossil watch keep disconnecting from my phone?
The watch may be disconnecting if moved outside of the phone's Bluetooth range. Try enabling Bluetooth on your phone using the phone's Bluetooth settings. If it is already enabled, try turning Bluetooth off and on. If within Bluetooth range of the phone and watch will still not sync, the watch battery might be low.
Why won't my Samsung Watch stay connected to my phone?
Samsung smart watch will not connect to a phone
If your watch will not pair to a phone, or if it randomly disconnects, restart your watch. You should also make sure the Galaxy wearable app is up to date, but it may be necessary to reset the app and unpair your watch.