Provide live remote support to on-site technicians via phone, video call, and chat. Guide technicians step-by-step through POS setups, configuration, networking, and integrations. Help identify missing requirements before installation. Review site images/video to validate quality and installation standards. Diagnose issues and provide quick solutions. Validate test transactions, printer mapping, cash drawer connectivity, and terminal activation. Document recurring issues and propose improvements. Update internal notes after each support session. Maintain a positive, professional, and proactive tone.