Updated Repack - Origin 851 Serial Number

You can also rerun the original Origin 8.5.1 installer file. Choose "Modify": When the wizard opens, select the Modify/Change option and click Confirm the Change: when asked if you would like to change your serial number. Enter New Details:

A power surge or failed over-the-air (OTA) update can scramble the configuration sector. When the bootloader initiates recovery mode, it may rebuild the serial from a backup stored in a redundant flash sector. Upon successful rebuild, the system reports the update. origin 851 serial number updated