Sometimes the issue isn't software at all. A short-circuited charging port or a failing Power Management IC (PMIC) can cause the phone to trick the motherboard into a continuous "Preloader connection" state, resulting in excess heat.
A dependable option for traditional low-level firmware extraction and repair. Its MTK service module easily handles multi-stage DA handshakes over Preloader ports ( MediaTek PreLoader USB VCOM ) to extract full rom structures. 📋 Broad Compatibility List (Supported Architectures) oppo realme mtk preloader hot