If you want to report bug you could simply follow given steps....
1. Open settings
2. Go to about phone
3. Go to software information
4. Keep typing build number option.
Your phone's password will be ask simply enter the password.
5. You will get developer option simply type on it.
6. Click on take peg report.
7. Choose the mode of the bug you want to take either full or intractive. A bug report notification will come.
8. To add your problem screenshot or details of your problems you could just simply tap on the notification and select the options.
9. Simply describe your problem and give title to your bug report and you can save it and share to customer services.
