so first time I attempted it using TFTP it got to 98% then failed tried again and now I get
The upgrade failed. The following reason was given.
the control file may be bad
Here are some other things to check.
•Check that all network cables are firmly connected and any network devices, including the router or adapter, ethernet hubs, etc., have electrical power.
•Check that the upgrade method, server name/address or HTTP URL, login info (when using FTP), and image control file information were entered correctly
•Check that the image control file and its content are correct for your product model