- Download X557 Rom for your HOT 4.
- After Downloading The Rom Open and Extract ROM to a folder on Desktop.
- You MUST have preloader VCOM drivers installed on your PC.[Download links below]
- IF you are Running windows 8/8.1 or 10 first disable Driver Signature enforcement on And then proceed with driver installation.
- After setting up the VCOM tools, you need to launch SP flash tool [Download links below]
- Click on Scatter Loading.
- Select Mt680_Android_Scatter.txt File From ROM Folder.
- Wait for Checksum to Complete
- Choose the Firmware Upgrade option[IMPORTANT!!!]
- Click on the Download Button
- Wait until completion yellow bar completes 100% and you see a green Notification box.
SP FLASH TOOL: CLICK HERE
PRELOADER USB VCOM DRIVERS:CLICK HERE