GoPro 9's APP can't preview While Recording 

On 2023.9. GoPro Hero 12 finally can view on phone App while reading.
• GoPro Hero 12 Black: 1...
3:03
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Unfortunately GoPro9 still doesn’t work after installed new versions software on both App and camera 2033.09.07
#Gopro9#Gopro9App#QickApp
this link says "Solved! Go to Solution."
community.gopr...
There is no "Solution"
On June 23rd 2021, Installed V1.6 to Camera.
Problem remain, still No preview While Recording
Recording Time Test is Here
• Recording Time Testing...
As of September 2022. GoPro9, 10, 11 all keep same issue ！