vodafone smart 4 help ??

need help to unlock a vodafone smart 4
i have the phone rooted ut keep getin { missing response from phone } :confused:
SigmaKey v.2.14.03 build 03
New version 2.15.05b2 is available on Sigma – MTK, Qualcomm, Broadcom, TI OMAP based flashing, unlocking, repair IMEI solution. We strongly recommend to update SigmaKey!
5098——- Sigma dongle 2.14, Initializing…OK
Pack 1: Activated
Pack 2: Not activated
——— 2016-03-03 12:31:03 ———
SigmaKey 2.14.03b3 Qcom: Direct unlock
USB Serial Port (COM10), Provider: FTDI, Driver ver.:, Date: 26/08/2014, FTDIBUS\COMPORT&VID_0403&PID_6001
Missing response from phone