To effectively use SP Flash Tool in any mode, including Runtime Trace, several prerequisites must be met: VCOM Drivers
is a specialized utility primarily used for flashing firmware, custom ROMs, and recovery images onto devices powered by MediaTek (MTK) . Within this ecosystem, Runtime Trace Mode serves as a vital diagnostic and monitoring feature. What is Runtime Trace Mode?
Runtime Trace Mode V480 is an advanced, real-time logging and diagnostic sub-routine embedded in SP Flash Tool version 5.x and newer. It monitors the raw data exchange between your computer’s USB controller and the MediaTek Boot ROM (BROM) or Preloader.
Runtime Trace Mode is a sophisticated diagnostic feature integrated into the SP Flash Tool. It's designed to log and display real-time data about the processes occurring during the firmware flashing operation. This mode acts as a comprehensive logging and debugging environment, generating detailed log files that capture every step of the process.
: Users can verify the state of the device’s memory, including partitions and the integrity of the communication channel. Screenshot Capture
: The device has Secure Boot enabled and requires an official authorization file ( .auth ) or an active hardware bypass tool to proceed. Troubleshooting Trace Mode V480 Issues
When a phone loops on the logo, normal flashing might fail because the preloader rejects the flash tool handshake. Runtime Trace mode lets you see the last message before reboot. For example, you might see: [DA_ERROR] SECURE BOOT: Image signature mismatch on boot.img This tells you instantly that you forgot to disable Secure Boot or use a patched preloader.
Step-by-Step Guide: How to Enable and Configure Trace Logging
: Install the MediaTek VCOM (USB VCOM) drivers on your PC.
Simply press the same shortcut again – the mode toggles on and off. For v5.13, Ctrl+Alt+T enables and Ctrl+Alt+S disables, while newer versions like v5.2404 use Ctrl+Alt+M as a toggle.
The tool is widely used across:
: Every data packet sent to the device and the corresponding acknowledgment signals (ACK/NAK).
To use Runtime Trace Mode with SP Flash Tool for V480: