Huawei DUB-LX2 (Y7 2019) unlock bootloader successfully doen by Hydra Tool
1. Run Hydra MTK Module,
2. Select Brand and Model or AUTO
3. Tick "Enable UBL Loader"
(Note: You can use this option if it the device does not boot properly by Hydra Tool)
4. click on "Read System Info"
5. Connect device to computer using USB Data Cable.
6. Wait Hydra Reads all device information properly.
6. Go to "Service"-->Universal
7. Choose "Bootloader" from drop down menu.
8. Choose "Unlock Universal Auto" from flash mode.
9. Click on "Execute"
10. Wait until the operation is completed.
Screen Short:
BR
Mount Everest