Select the or "Read Info" option in the software.
Power off the device, then connect it to your PC via USB. (Note: On some models, you do hold any buttons; the tool triggers the mode automatically upon connection). enter diag mode spd
If the manual methods fail, professional "dongles" or software tools are the most reliable way to force a connection. Tools like , Infinity CM2 , or UnlockTool have "Enter Diag" functions. Open your preferred tool and select the SPD/Unisoc tab. Select the correct CPU model (e.g., SC9863A, Tiger T606). Click "Enter Diag" or "Read Info." Select the or "Read Info" option in the software
Ensure the device has at least 30% charge to prevent it from disconnecting during the process. you do hold any buttons