Jitsi Meet Mobile(android, ios) App H264 black screen

We build our self hosting server using Docker and use it.
If you set preferH264:true, disableH264:false in config.js, a black screen appears when connecting from Android.

I am using the Android SDK.

helf me please.

Can you get the adb logcat on your android device? We default to software codecs due to the crashes that HW accelerated ones cause, your device may not have a decoder we can work with.

Appears when there are more than 3 participants