HUAWEI DRA-L01 how to service

about a week has passed but the problem persists.
team we are waiting for a fix.
after updating various problems

SigmaKey v.2.33.07 build 01
963851048 Sigma dongle 2.33, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2019-09-23 12:37:04 ---------
SigmaKey 2.33.07b1 MTK: Ripara IMEI (Huawei DRA-###)
Rimuovendo protezione firmware.....OK
Processore Baseband:MT6739, HW Rev. B.00, SW Rev. 0.02
Testando RAM esterna...DRAM, 2 Gb
Rilevando flash...eMMC, Grandezza Flash: 14.69 Gb
Modello telefono: HUAWEI DRA-L01
Android 8.1.0
Firmware: "DRA-L01-user 8.1.0 HUAWEIDRA-L01 1.0.0.123(C55) release-keys"
Software IMEI: 868166031995343
Riparando IMEI...Fallito