Please tell us some basic information before asking for help:
Model Name: Rog Phone 3
Firmware Version: WW17_.0823.2104.147
Rooted or not: not
Frequency of Occurrence:
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.
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Help guys. A black arrow appears approximately every 40 seconds. It appears in the middle of the screen and then disappears. And when it appears, the sound is interrupted for half a second. I have android 10, 147 firmware version