Most default SP Flash Tool downloads do not show trace mode. You must unlock advanced debugging. Follow these steps carefully.
A typical v480 trace session produces log lines like: smart phone flash tool runtime trace mode v480
Ensure the device’s battery is at least 30% (or use a power supply with current limiting). Connect the USB cable only after clicking “Download” – but for trace mode, use the button first, then connect the device. Most default SP Flash Tool downloads do not show trace mode