Bnd-l21 imei repair problem

Unlock4samsung Tuesday, November 13, 2018

SigmaKey v.2.29.10
209286028 Sigma dongle 2.29, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2018-11-13 19:13:25 ---------
SigmaKey 2.29.10 HiSi: Napraw numer IMEI
Łączenie....
Android Adapter PCUI (COM117), Dostawca: HUAWEI Technologies CO.,LTD, Wersja sterownika.: 1.0.26.0, Data: 18.05.2016, USB\Vid_12D1&Subclass_13&Prot_22
Firmware: System 8.0.0.046(0HOA), Data: Thu Aug 30 03:26:06 CST 2018
Boot Wersja: System 8.0.0.046(0HOA)_BOOT, FastBoot Wersja: Chipset-dallas8.0.1.001(01HX)_FASTBOOT
Recovery Wersja: (unknow), System Wersja: System 8.0.0.046(0HOA)
Usuwanie zabezpieczeń oprogramowania...This Android security patch level is not supported.
Please wait for future updates.

There is no way to lower the software?
What can you do in this situation?
Sigma team please help me