unable to unlock BQ X5

hi trying to unlock bq aqurius x5 but giving this error

SigmaKey 2.27.18 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ Android ADB Interface
Phone model: bq Aquaris X5
Android 5.1.1; Firmware: LMY48B; Date: Thu Jan 14 10:37:07 PST 2016
Version: LMY48B
Baseband Firmware: M8936FAAAANUZM-1.32386.2.34421.1
Baseband Processor: Qualcomm Technologies, Inc MSM8916
Removing firmware protection...OK
Preparing....Not found