Hwv31 downgrade firmware need please

SigmaKey v.2.29.20 build 01
578214232 Sigma dongle 2.29, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Not activated
--------- 2019-03-22 11:03:18 ---------
SigmaKey 2.29.20b1 HiSi: Direct unlock
Connecting....
Android Adapter PCUI (COM76), Provider: Huawei Incorporated, Driver ver.: 2.0.6.714, Date: 7/30/2015, USB\Vid_12D1&Subclass_13&Prot_22
Firmware: System 8.0.0.046(0PT0), Date: Wed Jan 9 05:20:29 CST 2019
Boot Version: System 8.0.0.046(0PT0)_BOOT, FastBoot Version: Chipset-dallas8.0.1.001(01YU)_FASTBOOT
Recovery Version: (unknow), System Version: System 8.0.0.046(0PT0)
Removing firmware protection...This Android security patch level is not supported.
Please wait for future updates.