Why does my doro 6520 keep bleeping - Doro Cell Phones

Follow the below steps to resolve the issue,
1. Choose Menu on the main screen.
2. Scroll to Weather and choose OK.
3. Choose OK.
4. Enter a city of choice and choose Select.
5. This screen will display, and you will hear a beep. The beep denotes that the certificate on the handset is incorrect. Choose Cancel.
6. Choose Yes to cancel. Note that this screen may or may not appear. If it doesn't, it just means that it's been automatically processed, so you can move ahead to step 7.
7. Choose Options.
8. Choose Install using the OK button.
9. Please choose any 4 keys, such as 1234, then choose Options.
10. This screen will be displayed to confirm the certificate has imported and updated.
11. It will then continue to search for the city that was entered in step 4.
12. It will then display the list of cities based on the one you entered in step 4. Choose OK to select the city you would like.
13. The weather for the desired city will then be displayed.

Hope this might help you.