Nest Doorbell (battery) is managed in the Google Home app. In the Home app, Wi-Fi information for cameras and doorbells can’t be updated unfortunately, so you’ll need to factory reset your doorbell and set it up again in the app. In most cases, you’ll remove your device from the app and add it back.
Important:
Make sure to save any important video clips before you start. When you remove your device from the app and factory reset it, you’ll lose your video history.
If want to keep your video history, don’t remove your device from the app. Factory reset your device manually by following the steps below, then set it up in the Home app as a new device. You’ll have two versions of your device in the Home app, one with older video, and one with new video.
On the Home app’s home screen, touch and hold your doorbell's tile.
At the top right, tap Settingscog > Remove Device.
If your device was online, it will factory reset automatically when you remove it from the app.
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