The LeEco Le Pro 3 AI Edition (X650) utilizes stock ROMs based on EUI 5.9 (Android 6.0), with stable firmware versions 5.9.026S to 5.9.028S often sourced from community mirrors due to defunct original servers. Installation is achieved via local update or SP Flash Tool, with firmware files and guides available on community forums. For the latest stock firmware, visit 4PDA . LeEco Le Pro 3 AI - Прошивки - 4PDA
Select the "Scatter-loading" file found inside the extracted stock ROM folder. Start Flash: Official LeEco Le Pro 3 AI Edition X7 X650 Stock Rom --LINK
What I can do is point you toward where the firmware is commonly archived: The LeEco Le Pro 3 AI Edition (X650)
Flashing the stock ROM on your LeEco Le Pro 3 AI Edition X7 X650 requires a few tools and some basic technical knowledge. Here's a step-by-step guide to help you through the process: LeEco Le Pro 3 AI - Прошивки -