Replacement core board mainboard designed for Mini 3 Pro drone models. This direct replacement part restores the drone mainboard functions needed for system control and electronics management, making it suitable for repairs and maintenance. Key benefits Restores core functions: replaces a damaged or failed mainboard to recover system control and onboard electronics. Compatibility focused: designed for use with Mini 3 Pro drone models to match the original mounting and connector layout. Reliable replacement: manufactured as a functional mainboard assembly to integrate with existing wiring, sensors, and peripherals. Practical form factor: compact mainboard size aligns with the original part for straightforward fitting into the drone chassis. Suited for repairs and spare parts: useful for hobbyists, shops, and field technicians performing componentlevel maintenance. What this part solves Fixes drones that fail to power up or exhibit irregular system behavior attributed to the mainboard. Replaces boards damaged in crashes or by water exposure to restore aircraft operation. Provides a serviceable spare for teams that perform regular infield repairs. Key attributes Function: core board mainboard replacement for drone electronics and system control. Compatibility: compatible with Mini 3 Pro drone models. Material and construction: standard electronic mainboard assembly built to fit the original component layout. Performance: intended to restore original mainboard functionality when installed correctly. Use scenarios Crash : after a hard landing that damages the original mainboard, install this replacement to restore basic flight and system control. Workshop maintenance: technicians use this mainboard to faulty components during diagnostic and rebuild procedures. Field spares: carry as a spare mainboard for rapid swapout during extended shoots or remote operations to minimize downtime. Notes Intended for users familiar with drone disassembly and electronic replacement procedures. Professional installation or experienced technician recommended to ensure correct fitting and safe operation.