I get a new error by the way does it tell you anything?
fastboot oem rebootRUU
(bootloader) [ERR] Cmd18 polling status timed out, MCI_STATUS: 0x4C2000
(bootloader) [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [SD_HW_ERR] read data fail in CMD18
(bootloader) CMD18: cmd failed...