Please tell us some basic information before asking for help:
Model Name: Rog Phone 5S Pro
Firmware Version: 31.0810.1226.139
Rooted or not: Not rooted
Frequency of Occurrence: All the time
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.
Rog vision is no longer working - back display is just a black screen and turned off.
Rog vision has been enabled in Armoury Crate. Phone has been restarted a couple of times. Changing phone from X mode to Dynamic to Ultra Durable has no effect.
Phone has not been dropped or damaged.