[aiharkness]

Unfortunately, pulling the battery (in fact, what is a hard reset) is probably the solution. If it didn't fix it, do it again and wait a good minute before you replace the battery. Also, the battery must be removed with the power on. If you have been turning it off first, don't.

I don't have an explanation for why you would have lost files. Are you sure the ringtone files actually disappeared? Or did the profile setting just change?
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