Please tell us some basic information before asking for help:
Model Name: ROG Phone 3
Firmware Version: WW_Phone.17.0823.2008.78
Rooted or not: No
Frequency of Occurrence: Always
APP Name & APP Version (If your issue relates to the app): Camera, v7.4.6.0_200901
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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ROG 3 has a shortcut where you double tap power button to launch camera.
However, when screen is off or on lock screen, launching the camera this way will still turn off the screen after 10 seconds.
Please fix this as no other phone I used has this ridiculous oversight in design.