Please tell us some basic information before asking for help:
Model Name: rog phone 3
Firmware Version: WW-31.0210.0210.236
Rooted or not: not
Frequency of Occurrence: everytime i open a game i need to manually on the x mode
APP Name & APP Version (If your issue relates to the app):
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.