The phone is on rebooting mode with the instruction

[AC Question]

My Z5 Sony xperia phone is not working at all.....All effort to make it work proved wrong ....It sent me this
Now send the package you want to apply to the device with adb sodeload "filename"

 

[the tall guy]

Hi, how did this issue happen? were you trying to do something with the phone? are you able to power up the phone?