Kernel (Android OS) Battery drain when Wi-Fi connected.

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Hello, recently I've noticed my U11 won't deep sleep while connected to a Wi-Fi source.

As soon as I leave my house or turn off Wi-Fi deep sleep kicks in as the stats have shown in GSam battery monitor.

Kernel (Android OS) shows to be the culprit, I'm lucky if I get at least 30mins deep sleep within a 10hr period.

I've disabled Google location history and have location sources mode set to device only and also switched off Wi-Fi and Bluetooth scanning.

I've done alot of searching and found similar results with no known solution to this issue even on older versions of Android and devices.