Solution: Right-click → Uninstall device → Check “Delete driver software” → Disconnect phone → Reboot PC → Disable signature enforcement → Reinstall manually.
The software was on the PC, but the phone didn't know that yet. The MediaTek chipset requires a specific handshake to enter "BROM Mode" (Boot ROM Mode).
He picked up the bricked phone. He located a small, unassuming metal paperclip. Straightening it out, he found the tiny pinhole microphone or the reset hole on the device. how to install mtk driver mediatek preloader usb vcom
"Here goes nothing," he said.
He plugged the USB cable into the PC but not the phone yet. He held the paperclip in the reset hole, pressing the hidden button, and while holding it, he plugged the USB cable into the phone. He picked up the bricked phone
He kept the button held for three seconds... five seconds...
This is normal! The preloader only stays active for 5–10 seconds before timing out. To test, quickly click “Download” in SP Flash Tool before connecting the phone, then connect. The tool will catch the preloader window. "Here goes nothing," he said
Download the latest "MTK USB VCOM Driver" from a trusted source (e.g., official MediaTek website or reputable developer sites). Look for a file named MTK_USB_VCOM_Driver.zip. Extract it to a folder like C:\MTK_Drivers.
Yes, if you have previously failed installations. Use USBDeview to remove all old MTK, Mediatek, and PreLoader entries, then reboot.