Startrail 7 mt6735 frp not support

please guive me solution for this problem see the log;

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 PreLoader USB VCOM Port (COM10)
Please Hold "ON" to connect with the phone…
Connected to Phone.
CPU: MT6735 SW:0000 Ver: CA00
Downloading Boot8 …
>>8th Boot(MT65xx & MT67xx/8127),the Boot not support the Phone, or CPU Bad. Select other Boot.

why not working this setup support mt67xx reset frp