boot mt6572 damaged after flash

boot phone clone sam SM-G900F MT6572 after flash with Miracle box help-me please .thanks in advance.
Definition Applied
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 MTK USB Port (COM24)
Please Hold "ON" to connect with the phone…
Connected to Phone.
CPU: MT6572 SW:0000 Ver: CA01
Downloading Boot8 …
>>BootData ERR(2): 0_0