Dark rectangle on the screen
Please tell us some basic information before asking for help:
- Model Name: Zenfon 7
- Firmware Version: WW_18.104.22.168
- Rooted or not: not
- Frequency of Occurrence: always on brighter day
- 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.
Does anyone know or have something similar. When using my phone outside, I see a dark rectangle on the screen. What function does it perform? It is not a fingerprint scanner. It looks gross.