Aman Trivedi
The very first step is to ensure the proper Bluetooth connection between both devices for smooth syncing.
Another simple yet effective way you can resolve this issue is by restarting both devices, as it clears up any temporary glitch causing the issue.
Sometimes outdated software also causes some glitches, make sure devices are properly updated.
If all the previous solutions aren't working then go to Bluetooth settings forget the device and re-pair it again as it helps to resolve any underlying conflict.
Sometimes smartphone applications need specific permission to sync both devices, check it and make sure the valid and necessary permissions are allowed.
Cache and data buildup in apps can sometimes cause such glitches, clearing it of the associated application can help to resolve the glitch you are facing.
Aggressive battery-saver settings in your smartphone can shut down all the background processes including the app associated with the watch, check it and customize the settings.