Apple Watch Series 10
I can't update the software on my Apple Watch
Solution 2 of 5: Wi-Fi is turned off
You can use Wi-Fi as an alternative to the mobile network when establishing an internet connection. This way your Apple Watch doesn't use mobile data.
Press the Digital Crown.
Press the settings icon.
Press Wi-Fi.
Press the indicator next to "Wi-Fi" to turn the function on or off.
Press the Digital Crown several times to return to standby mode.