Overrides standard Windows USB management to prevent the OS from interrupting low-level data transfers. USBDK on GitHub

Never flash preloader or bootloader partitions unless you have a full backup of the original firmware.

💾 Extract core device information for diagnostics. Power off → Hold Vol Up + Vol Down → Plug into PC. Note: This is strictly for software pros! Misuse can lead to data loss. Option 2: For the Service Center/Repair Shop (Marketing)

| Condition | Requirement | |-----------|-------------| | | MediaTek (Helio G35, G85, G99, Dimensity series) | | Phone State | Completely off (battery >50% but not connected to charger) | | USB Cable | High-quality data cable (not charge-only) | | Windows Drivers | MediaTek USB VCOM drivers installed (v3.0.1504.0 or newer) | | Tool | SP Flash Tool v5.2116+ or MTK Bypass Utility | | Security Files | Valid DA file + Auth file for your exact model (e.g., OPPO CPH2455) | | Brom Entry Method | Volume Up + Volume Down + USB Insertion (or test points) |