y7 pro 2019 unlock network
 

Model: DUB-LX2VB
IMEI: 865209043105486
Firmware ver.: DUB-LX2VB_sdm450_DUB-LX2 8.2.0.148(C636)_DATA_DUB-L22_hw_spcseas
Dataver: DUB-LX2 8.2.0.148(C636)_DATA_DUB-L22_hw_spcseas
SN: YGC6R19306000861
PCB SN: 6R5SDN1936049442
Direct SIM unlock

2020-07-18 13:08:02.919 Autodetect COM port and phone type start!
2020-07-18 13:08:04.083 Found COM port: COM20
2020-07-18 13:08:04.087 Found phone type: Huawei Android phone (Qualcomm CPU)
2020-07-18 13:08:04.231 Open COM port COM20 (DBAdapter Reserved Interface (COM20))...
2020-07-18 13:08:04.393 Connecting to server...
2020-07-18 13:08:05.074 Connected!
2020-07-18 13:08:09.425 ERROR!
Cannot decrypt RSA data from phone

what i can do for unlock downgrade can?
please help thank you

modem downgrade by edl mode

a world
 

i try downgrade only moden after whjen show

Direct SIM unlock

2020-07-18 15:16:37.608 Autodetect COM port and phone type start!
2020-07-18 15:16:38.675 Found COM port: COM70
2020-07-18 15:16:38.680 Found phone type: Huawei Android phone (Qualcomm CPU)
2020-07-18 15:16:38.805 Open COM port COM70 (DBAdapter Reserved Interface (COM70))...
2020-07-18 15:16:38.942 Connecting to server...
2020-07-18 15:16:39.463 Connected!
2020-07-18 15:16:46.276 Read phone secure info...
2020-07-18 15:16:46.683 Read phone basic info...

2020-07-18 15:16:46.786 Unlocking start
2020-07-18 15:16:46.792 ERROR!
Not supported/unknown chipset!

it works only on Android 8.0.0 Supported Huawei models & features