:
Click "Choose" and select the .auth file provided with your official stock firmware package.
Open Device Manager on Windows and check if the device appears as MediaTek PreLoader USB VCOM (Android) without a yellow exclamation mark [2]. 3. Change the Download Agent (DA) File
Alternatively, toggle the setting to "With Battery" if your device is plugged in with the battery attached. 2. Verify Hardware Stability
She pulled her phone up and replayed her father’s voice memo: “If verification fails but checksum passes, don’t trust the tools—trust the hardware.” He’d said it once, half-joking, the way scientists do when they’re tired of being surprised by simple things.