Status Code: 351F - 0000 - 0080 - 0300 - D000 - 0185

That error code refers to a faulty internal storage. From our guide on Troubleshooting System Update errors: 

xxxx-xxxx-xxxx-xxxx-D000-0185

A storage device (memory unit or hard drive) was not found during the software update. Follow these steps:

1. Turn off your console.
2. Remove all console storage devices, including any USB flash drives, external hard drives, or the internal hard drive on the Xbox 360 S console. Learn how to remove the hard drive.
3. Add your primary storage device, for example, the hard drive.
4. Turn on the console
5. Try updating the console again.

xxxx-xxxx-xxxx-xxxx-D000-0185

A storage device (memory unit or hard drive) was not found during the software update. Follow these steps:

Reboot your console with the disc that prompted for an update. If that fails, try updating your console software by copying the update to a USB flash drive or CD.

checa la conexion a internert

This status is the death of me. I CANNOT get it fixed. even tried Tech Support. They want me to send it in and pay $99.00 to get it fixed....

Hey, AnDrunkDuckie! They want you to send it in because this is the only way to resolve this error if updating manually does not. This thread is over 4 years old. If you need assistance with another issue, please post up a new detailed post so that our community can work on helping you out. Thanks for understanding!