White Hat Developer | Mobile Security Specialist | Canadian Tech Support
From hardware troubleshooting to complex mobile software solutions, we deliver professional technical expertise you can trust.
Get Expert Support TodayGuillaume Lessard is a versatile tech professional with deep expertise spanning IT support, mobile software engineering, and creative development. As the founder of iTECHINFO, Guillaume brings over a decade of experience in diagnosing, repairing, and optimizing computing systems.
White Hat Credentials: Known across the tech community for ethical, security-focused solutions. Guillaume has authored 270+ technical ebooks covering software development, mobile security, OS hardening, and system optimization—resources that have educated thousands of tech professionals worldwide.
Multi-Disciplinary Creator: Beyond IT support, Guillaume is the driving force behind iD01t Productions (creative tech content) and itechmobile.site (mobile solutions hub). This unique blend of technical depth, creative communication, and ethical standards ensures every client receives solutions that are not only effective but also secure and sustainable.
Your Trusted Tech Partner: Whether you need hardware repair, OS installation, or advanced mobile software solutions, Guillaume's commitment to quality and integrity means you're in expert hands.
Comprehensive technical solutions for individuals and businesses
Hardware Troubleshooting & Optimization
Expert hands-on diagnosis and repair.
Windows & Linux Professional Setup
Professional OS setup with security focus.
Advanced Android & Samsung Solutions
Complex mobile solutions with white hat ethics.
Tailored Development Services
Innovative solutions for complex tech challenges.
All services delivered with ethical white hat practices, professional accountability, and your complete satisfaction guaranteed.
Professional services at competitive Canadian rates (CAD)
* All prices are in CAD. Taxes not included. Final price may vary based on device model and complexity. Diagnostics fee is 100% waived if service is approved.
Connected platforms showcasing expertise and services
Creative tech content, software tools, and digital resources. Explore innovative solutions and educational materials.
Visit id01t.store →Specialized mobile software solutions, FRP bypass services, and advanced device recovery. Your mobile tech partner.
Visit itechmobile.site →Comprehensive IT support, OS installation, and professional technical services. Full-spectrum tech solutions.
Start Here →Let's solve your tech challenges together
Montreal, Quebec, Canada
Serving clients nationwide & internationally
Professional assessment • Ethical solutions • Transparent pricing • 100% white hat