Xiaomi Redmi Note 4X (Mido) Fastboot Factory format successfully done by Hydra 1. Run Hydra Qualcomm module.
2. Choose Brand and Module.
3. Go to "Service"-->"Xiaomi" Tab.
4. Choose "factory reset" from drop down menu.
5. Choose "Factory Format" from fastboot.
6. Click "Execute" button
7. connect device to the computer with USB Data cable
8. Wait until the process is completed
Screen Short: 
BR
Dipendra Pathak