When you encounter some system bug, you should reproduce the bug to find what step causes it.
You don't need to reproduce condition or step perfectly, but describe your action or event as detail as possible.
If you succeed to reproduce the bug, it's time to get the BugReport file that contains the bug log.
Get BugReport(DebugMsg) File
Execute EmKit 
Tap Take Bug Report.
Start Saving Bug Report
Tap SAVE in the dialog. Saving BugReport file takes about 2 minutes.
During saving, you can see the progress in the notification as below
(only in Android 10 and above).
You can take BugReport file by EmLogTool app, too.
Launch EmLogTool from EmKit, and tap SAVE button. The way to save the file after this step is same as the following steps.
Save Bug Report File
(Skip when you are using Android 9 and below versions)
When taking the bug report is completed, tap the notification.
And select Take Bug Report from the icon list. Then, a toast message explaining the file saved location will be shown.
Find File
Execute FileExplorer and find the bug report file in the following path.
| Android 9 and below | Android 10 and above |
|---|---|
| /BugReport folder | /Download folder |
|
|
Go to Start > File Explorer
Move to Windows folder and find the LogTrace in the folder
Check the dialog message and tap YES to save the debugmsg(bugreport)
You can find the debugmsg file in the My Documents directory of the device storage as TXT format
Tap My Device on the home screen
Go to Windows folder and double-tap the LogTrace in the folder
Check the dialog message and tap Yes to save the debugmsg(bugreport) file
You can find the debugmsg file in the My Documents directory of the device storage as TXT format.
Now, you can attach the bugreport file to us via the Ticketing System portal or email.
Don't forget. You should also upload the device information file.
Please refer to the article below that is about 'How to get DevInfo file'.
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