problem to connect nokia 3 mt6735

hi i have problem to connect nokia 3 mt6735 to read info and read lock

this log

>>Current Task:
Read Information(Extend)
>>Ver:1.5.4
>>
>>CUSTOM BOOT
>>DA File:Nokia_3_Boot.bin
>>DA Ver.:MTK_AllInOne_DA_v3.3001.00.00
>>
>>Operation:
1. Power off the phone.
2. Please insert USB cable within 40 seconds.
>>
>>MediaTek USB Port (COM360)
>>
>>Connecting...
>>CPU TYPE:MT6735
>>Hardware version:CB00
>>Software version:0000
>>SecCfgVal :0x05000000
>>BromVersion :0x05
>>BLVersion :0xFE
>>Boot downloading complete!
>>Cannot connect with the phone, the program has terminated.

>>Read phone info Failed.

>>Elapsed time: 00:00:57.



thx