Smartphone Flash Tool -runtime Trace Mode-l 'link' Jun 2026

Runtime Trace Mode in Smartphone Flash Tool (SP Flash Tool) is a diagnostic feature used to monitor real-time communication between your PC and the MediaTek (MTK) device during the flashing process. 🛠️ Prerequisites

The PC makes the “connected” sound but disconnects instantly. The trace log shows: [BROM] WAITING FOR PRELOADER... TIMEOUT . This indicates the preloader is corrupt. You can use a known-good preloader binary and force BROM download without preloader check (using specific -runtime Trace Mode-l with -skip_preloader_check ), breathing life back into the device. Smartphone Flash Tool -runtime Trace Mode-l

[ 123.456789] CPU0: func_entry 0xffffff8008123456 (mutex_lock) [ 123.456801] CPU0: func_exit 0xffffff8008123456 (mutex_lock) ret=0 [ 123.456802] CPU1: irq_entry 42 (mmc_irq) [ 123.456810] CPU1: irq_exit 42 (mmc_irq) Runtime Trace Mode in Smartphone Flash Tool (SP

When combined, Smartphone Flash Tool -runtime Trace Mode-l essentially turns the flashing utility into a real-time logic analyzer for the phone’s boot process. TIMEOUT

Restores a bricked device to its factory state.