A drive shows no reaction when powered. The motor controller IC is likely fine, but the flash chip contains a corrupted "ROM code". Using the HW Flash Tool 77, you can read a working ROM from a donor board (same PCB version), adapt the adaptive data (e.g., head mapping, serial number), and reprogram the original chip.

: The tool specializes in one-click removal of FRP (Factory Reset Protection) , Mi Accounts, and Meizu Flyme accounts.

Unlike some competitors, many MRT functions don't require per-operation credits.

: Modern Huawei devices often have more restrictive security, making older tool versions less effective. For official updates, Huawei recommends using their HiSuite software or the device's internal Software Update menu. How To Flash Any Xiaomi Phone Without MI Flash Tool

: A dedicated MRT Dongle is required for most professional operations, often bundled with specialized boot cables.