[Unbrick] Xiaomi Redmi 4 Prime Hardbrick, Locked Bootloader, No EDL Mode, Only Fastboot Mode

Описание: Xiaomi Redmi 4 Prime hardbrick, can not power ON, locked bootloader, can not enter EDL mode, can not enter recovery mode, not login Mi account, only fastboot mode, and can not flash using Mi flash tool. In device manager detect driver Qualcomm HS-USB Diagnostics 900E.

Flash using Mi PC Suite Chinese version
First download this file:
Recovery ROM Redmi 4 Prime: https://mirom.ezbox.idv.tw/en/phone/
Mi flash tool: https://www.mediafire.com/file/edf4j8...
Mi PC Suite (Chinese): http://zhushou.xiaomi.com/

For Windows 8/10 user, disable driver signature enforcement, then install Mi flash tool and Mi PC Suite, internet connection needed when install Mi PC Suite.

If you fail, try again this method from beginning
Or, if you success flash but still bootloop, you can enter EDL mode now, try using Mi Flash Tool to flash again.

Maybe this method also work for other Xiaomi devices.

Credit: http://teknikit.com/