C:\Users\tom>fastboot flash xbl C:\Users\tom\Desktop\xbl.elf
sending ‘xbl’ (2503 KB)…
FAILED (command write failed (No such device or address))
finished. total time: 0.004s
C:\Users\tom>fastboot flash xbl C:\Users\tom\Desktop\xbl.elf
sending ‘xbl’ (2503 KB)…
FAILED (command write failed (No such device or address))
finished. total time: 0.004s