Check the package name adb / Activity name
adb shell "logcat | grep START" adb shell dumpsys activity | find “mFocusedActivity” adb shell pm list packages adb shell dumpsys window | findstr mCurrentFocus
View adb install apk
adb shell ls system/app
adb already in the phone apk lead out
adb pull system/app/Bluetooth.apk Buluetooth.apk