The thing is, the problem isn’t necessarily with your device (the Samsung Galaxy S7) but, your Network is most likely experiencing connection issues that need fixing.Try the following tips to help resolve the connectivity issue.
Since this issue stems from a few things this guide is going to include advice for troubleshooting both your Android smartphone and your Wi-Fi network and will begin with the more commonly successful solutions for resolving this problem and will go ahead from there.
And your i Phone and watch are on different networks. Note that your watch is still connected to your i Phone via Bluetooth. Wait for a few moments as your i Phone communicates with your Apple Watch to establish a Wi-Fi connection. Check that Wi-Fi icon on your Apple Watch by swiping up on the Watch screen to bring Control Center.
First off, you need to check if your Apple Watch can connect to any Wi-Fi network. If that Wi-Fi icon is blue, your watch is successfully connected to the Wi-Fi network. If nothing works, you should contact Apple Support for further help.
In this situation, you can use default as well as third-party apps to interact with your friends and colleagues.
This post deals with an issue where your i Phone is connected to a Wi-Fi network and your watch fails to connect with that Wi-Fi network.