You should note that the Your Phone app is now called the Phone Link App in Windows 11 and Windows 10. In addition, the Your Phone Companion app for Android is now called Link to Windows.
Disable Phone Link app linking feature on Windows 11/10
In order to disable ‘Phone Link’ linking feature on Windows 11/10, we will be taking a look at the following methods-
Using the Group Policy Editor.Using the Registry Editor.
1] Using the Group Policy Editor It is worth noting that this method will not work at all if you are using Windows Home edition. This is so because the Group Policy Editor does not come with Windows 11/10 Home. Start by hitting the WINKEY + R button combination to start the Run box and type in gpedit.msc and then finally hit Enter. Now, navigate to the following path inside the Group Policy Editor-
Double-click on the configuration listing named as Phone-PC linking on this device to open the configuration page.
You can either select Enabled to Enable the Phone linking feature for Your Phone or Disabled or Not Configured to Disable the Phone linking feature for Your Phone depending on your preferences. Click on OK and exit the Group Policy Editor. Reboot your computer for the changes to take effect. Read: How to use Phone Link app in Windows 11/10. 2] Using the Registry Editor Hit the WINKEY + R button combination to launch the Run utility, type in regedit and hit Enter. Once Registry Editor opens, navigate to the following key- Now, right-click on System and select New > DWORD (32-bit) Value.
Name this newly created DWORD as EnableMmx. Double click on it and change its Value to 0 to disable it. To enable it, you need to set its value to 1. Reboot your computer for the changes to take effect. Hope this works for you!