OxygenOS 12 C.15 second stable build with system performance optimization was recently released by Oneplus. This update also improves charging speed and contains numerous bug fixes. Another update of ColorOS 12 C.14 & C.21 has rolled out with similar changelogs.
But after this latest update of OxygenOS 12, C.15 users have been facing issues with exclusive battery drain and, along with that, devices are also getting heated up. The cause of these things is only one app called Quick Device Connect. Quick Connect is an app that allows you to connect your phone to a range of Wifi devices that support different protocols — including Wifi Direct and Miracast — to display photographs, video, or audio. Check out the below screenshot.
How To Fix Quick Device Battery App Draining and Heating
- Update Quick Device Connect app: Download the Quick device connect app // Mirror
- Download the App and update
- If Already on the latest version then Uninstall the update of that app ( Go to Settings – App management – Enable Show system app – Search Quick Device Connect app – select app – tap 3 dots on the right top corner and uninstall the update)
- Disable all permission of the Quick Device Connect app
If the above methods don’t work, follow this video guide to disable the System app: Video