Please tell us some basic information before asking for help:
Model Name: rog phone 3
Rooted or not: no
Frequency of Occurrence: 144 Hz/1ms
APP Name & APP Version (If your issue relates to the app): Fortnite mobile game
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.