meizu m5 problem

hi all moderators
I want to reset meizu 5 but inferno has problem :
>>Current Task: MEIZU>>MediaTek>>Clear Screen Locks(USB)
>>
>>Operation:
1. Power off the phone.
2. Please insert USB cable within 40 seconds.
>>
>>MediaTek USB Port (COM172)
>>
>>Connecting...
>>CPU TYPE:MT6755/50
>>Hardware version:CB00
>>Software version:0001
>>SecCfgVal :0x07000000
>>BromVersion :0x05
>>BLVersion :0xFE
>>Timeout code -1.
>>Cannot connect with the phone, the program has terminated.