Please tell us some basic information before asking for help:
Model Name: X00td
Firmware Version: android 9, last update 5sept 2020
Rooted or not: not rooted
Frequency of Occurrence: Every time
APP Name & APP Version (If your issue relates to the app): no
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.