web- channel id changes after reinstalling the pwa app

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The Web channel id for iOS and Desktop PWA(Progressive Web App) changes after reinstalling the App on the same device.

In the JavaScript code we are following the below steps

1. sdk.register()  [to register]
2. sdk.addEventListener('channel'... [event listener for channel] 
3. sdk.getChannel().then(channel... [function to get channel id]

Is there any specific data we need to send as a request to make sure channel id stays the same for the device even after reinstallation?