y6 prime hang on logo and restart

igmaKey 2.29.18 Qcom: Remove FRP / Huawei ID
^ Android Sooner Single ADB Interface, Version 0.5, Name: QC_REFERENCE_PHONE, Serial number: DKJ9X18811W01325
Phone model: ATU-L31
Version: ATU-L31 8.0.0.144(C185)

Huawei Honor 7A 2018 ATU-L31 AUM-L31 Atomu-L31 8.0.0.144(C185CUSTC185D1) Firmware 8.0.0 r1 EMUI8.0 05015BWP
flash with same version but same
how to downgard phone
phone hang on logo and restart or some off and show to 9006 port