java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.settings/com.android.settings.SubSettings}: java.lang.ClassCastException: android.view.ViewStub cannot be cast to com.miui.internal.widget.ActionBarOverlayLayout
at...
If I set SIM 2 as default internet , it work but SIM 1 got the SIM 2 old problem. Preferred network options missing and can't make call. So it can be activated 1 of the SIM as same time.