BLU BLU STUDIO ONE fail unlock

SigmaKey v.2.19.04 build 01
426871453 Sigma dongle 2.19, Initializing…OK
Pack 1: Activated
Pack 2: Activated
——— 2016-10-14 15:59:42 ———
SigmaKey 2.19.04b1 ADB: Direct unlock
^ Android Composite ADB Interface
Version: Linux version 3.10.65 (jenkins@80-32) (gcc version 4.9.x-google 20140827 (mtk-20150409) (GCC) ) #1 SMP PREEMPT Thu Jun 23 15:19:27 CST 2016
Phone model: BLU BLU STUDIO ONE
Android 5.1; Firmware: LMY47D; Date: Thu Jun 23 15:04:30 CST 2016
Version: BLU_S0100EE_V01_NATCOM
Baseband Firmware: E5600_C1_LWG_BLU_NTC_MP_V0.0.3_S160621, 2016/06/21 17:01
Baseband Processor: MT6735
Software IMEI1: 357492070148885
Software IMEI2: 357492070198930
Software IMEI3: 359281015336210
Software IMEI4: 359281015336210
Verifying…Unsupported

what sigmakey cannot remove security firmware > on firmware Natcom haiti

SigmaKey 2.19.04b1 ADB: Direct unlock
^ Android Composite ADB Interface
Version: Linux version 3.10.65 (jenkins@80-32) (gcc version 4.9.x-google 20140827 (mtk-20150409) (GCC) ) #1 SMP PREEMPT Thu Jun 23 15:19:27 CST 2016
Phone model: BLU BLU STUDIO ONE
Android 5.1; Firmware: LMY47D; Date: Thu Jun 23 15:04:30 CST 2016
Version: BLU_S0100EE_V01_NATCOM
Baseband Firmware: E5600_C1_LWG_BLU_NTC_MP_V0.0.3_S160621, 2016/06/21 17:01
Baseband Processor: MT6735
Reading software IMEI…..Failed