y7 prim 2019 imei repair not done ..

y7 prim 2019 imei repair not done . please help sigma team


SigmaKey v.2.33.01
275975405 Sigma dongle 2.33, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2019-07-08 01:43:52 ---------
SigmaKey 2.33.01 Qcom: Repair IMEI
DBAdapter Reserved Interface (COM70), Provider: Huawei Incorporated, Driver ver.: 2.0.6.725, Date: 11/28/2016, USB\Vid_12D1&Subclass_11&Prot_23
Removing firmware protection....Phone model: Qcom; DUB-LX1
Unfortunately, heuristic method have been failed.