Good, I lacked comment on an important detail, so that the huawei reboots correctly, when you flash the firmware you have to distil the odm and gpt partitions, it is very important if not the huawei will not restart correctly and specifically in brick.
Without password
Huawei Y7 2019 DUB-LX1_8.1.0_143_(185)_EDL_Unbrick_downgrade: https://www.androidfilehost.com/?fid...86940962595984
Huawei Y7 2019 DUB-LX2_Firmware_Loader: https://www.androidfilehost.com/?fid...86940962596010
Huawei Y7 2019 DUB-LX3_Firmware_Loader: https://www.androidfilehost.com/?fid...86940962596005
Without password
Huawei Y7 2019 DUB-LX1_8.1.0_143_(185)_EDL_Unbrick_downgrade: https://www.androidfilehost.com/?fid...86940962595984
Huawei Y7 2019 DUB-LX2_Firmware_Loader: https://www.androidfilehost.com/?fid...86940962596010
Huawei Y7 2019 DUB-LX3_Firmware_Loader: https://www.androidfilehost.com/?fid...86940962596005