You can change the names of devices connected to your Wi-Fi network. Some devices have names that are hard to identify (for example, a printer might be displayed as 'a738b00002') or two similar devices might have the same name. When you change a device name it will be visible to all owners and managers of your Wi-Fi network in the Google Home app.
- Open the Google Home app
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- Tap Favourites
Wi-Fi
- Tap the device that you want to change the name of.
- Rename your device. Your changes will autosave.
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Wi-Fi 
Note: This will only change how the device's name appears in the app. To change the name back in the app to the original device name, delete the text.