Huawei MRD-LX2 (Y6 2019) erased user data successfully done by Hydra Tool 1. Run Hydra MTK Module and Sosc.
2. Choose Brand and Module
3. Go to "Service"-->"Tool" Tab.
4. Choose "Ultra Power Option" from fastboot mode.
5. Choose "Erase user data" from "Method/ Option" from drop down method.
6. connect device to the computer with USB Data cable
7. Wait until the process is completed.
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BR
Dipendra Pathak