Invalid The air2s bluetooth headset still fails to pop up the battery window

[a41701560]

Since the air2s Bluetooth headset I held three weeks ago can’t pop up the battery window, the phone is:MI 9 current version: 21.4.2 development version（The power window pops up as shown below）Hard developer, thank you

 

[Igor Eisberg]

We don't have the headset so little we can do here...