Connecting to BootROM...
Power off the phone, disconnect and reconnect the battery(if possible) and connect USB cable...
Hold the VOL UP to force MediaTek BootROM.
Scanning BootROM or Preloader port... Done
Detected [BootROM] MediaTek USB Port_V1632 (COM15)
Connection status: EHCI:HUB:HUB[#2]:USB 1.10 High-Speed
USB Driver: [MediaTek Inc.] wdm_usb, version: 3.0.1504.0, date: 1-22-2015
Connecting Bootrom...
Sending Download Agent...
Platform: MT6771_S00, hw ver: 0xCA00, sw ver: 0x0000
Error: 4001 (S_FT_DA_NO_RESPONSE)
[DA] DA didn't send response data
help...
