# Reboot Hub > Hong Kong specialist in Grade A Pristine Pre-Owned DJI drones and chip-level drone repair. MOHRSS Level 3 certified technicians. 180-day warranty on pre-owned drones. 30-day warranty on all repairs. Global mail-in repair accepted. ## Full Documentation - llms-full.txt: Complete documentation for AI ingestion ## Core Information - About Reboot Hub: MOHRSS Level 3 certified technicians - Our Certifications: MOHRSS Level 3 certification - Warranty Policy: 180-day warranty on drones; 30-day on repairs - Drone Grading Standard: Grade definitions ## Drone Repair Services - Professional Drone Repair: Chip-level repair, global mail-in - The Reboot Hub Standard: 40-point inspection checklist - Chip-Level Repair Hong Kong - DJI Air 3S Repair Guide - DJI Avata 2 Repair ## Pre-Owned DJI Drones - Shop Pre-Owned DJI Drones: 40-60% below retail - Buyers Guide 2026 - DJI Mini 4 Pro - DJI Air 3S - DJI Mavic 3 Pro ## DJI Goggles - DJI Goggles Hub ## Brand - Crunchbase - Instagram - YouTube - Contact