I changed my passcode but do not remember what I chose and I am not locked out.
I have tried going to phone service provider - no help.
I have tried resetting through Apple by connecting to computer - no help.
Does anyone have any suggestions?
Restore the phone using the computer you normally sync with. If that computer is not available, or you set the passcode since th last time you synced, you will need to put it in Recovery mode or DFU mode and restore it.
You need to restore this deletes all data.
Retrieving data ...