Hi,
It seems that you could've bricked your device and there can be numerous reasons for that as too old bootloader, HW revision of the device is too old or something happened mid-process and your device shut down unexpectedly.
As you already tried doing something through the bootloader menu there's nothing more left to do just to return the device.
Please return the device to the reseller or contact us through VIP HelpDesk if you bought it from us.
EB.