Before starting, always check your current system version by going to . Look for the "sp7731e_1h10_native" identifier. 1. Preparation

Select or USB 2 . The unit will detect the file and begin a process that takes roughly 15 minutes. 3. Advanced Flashing (SP Flash Tool)

Record your current CANbus protocol settings (Settings > Factory > Password often 3368 ) so you can restore them after the flash. 2. Flashing via USB (Local Update) Most modern units support a direct USB update: Copy the update.zip file to the root of your USB drive. Plug the USB into the head unit. Navigate to Settings > System > System Upgrade .