Please tell us some basic information before asking for help:
Model Name:ROG 3
Rooted or not:NO
Frequency of Occurrence:3-15Minutes
APP Name & APP Version (If your issue relates to the app):HAPPENS EVEN WHEN IDLE
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.
I hqve tried force restarting the phone going to safe mode re inserting the sim card