Steps:
1. Go to Devices ----> Phones and add a Phone , say LIP 6830 with Serial number= 000111222333
2. Add a User to the Phone assigned , say 230.
3. Click on OK and Send Profiles and verify that in tftproot directory, profiles for 000111222333 is created.
4. Now, click on the Phone added and change/edit the Serial number= 000111222331
5. Click on Ok and Send Profiles and verify the tftproot directory.

Expected Result:
Profiles for Serial number =000111222331 should be present and the older profile 000111222333 should NOT be present.

Actaul Result:
Both the profiles 000111222333 and 000111222331 are present in the tftproot directory.