You will know you are facing the issue if:
When a device is "stuck" in this mode, the screen typically remains completely black, or the phone continuously vibrates and loops. The hardware is functional, but it cannot find or execute the next command in the boot sequence. Root Causes of the Preloader Loop oppo realme mtk preloader hot
Oppo/Realme MTK Preloader Hot: Causes, Risks, and Solutions (2026 Guide) You will know you are facing the issue