World First HTC D728w FRP

1. Power Off Phone , Remove Battery, Insert Battery Back
2. Insert USB cable. In some cases Required Hold BootKey
3. Use Miracle Boot Key In cases Boot key not Find
4. Battery Should be Charged more then 50%
Waiting for USB Port…
Set MediaTek PreLoader USB VCOM Port (COM45)
Please Hold "ON" to connect with the phone…
Connected to Phone.
CPU: MT6753 SW:0000 Ver: CA00
Downloading Boot8 …
>>8th Boot(MT65xx & MT67xx/8127),the Boot not support the Phone, or CPU Bad. Select other Boot.

what actually problum is??????