II got up early this Saturday morning to take care of my to-do list. I called Sprint about my mobile phone, and learned that Sprint Customer Support hours of operation don't start until 9:AM on Saturday. You might find it useful to know that their hours of operation are 6 AM to 11:30 PM weekdays, and 9 AM to 11 PM weekends. That's Central Standard Time. Their phone number is 800-480-4727; or you can dial *2 on your Sprint handset.