Drawing on my HTML skills and adeptness at software development and management, I am confident that I can expertly address your English and French icon display issue on mobile devices. Having utilized HTML extensively throughout my professional career, I am intimately familiar with the intricacies and peculiarities of the language which allows me to diagnose and fix issues with ease. My focus on continuous learning will prove an asset here as it ensures I'm up to date with the latest evolutions in HTML.
Furthermore, as an AI student with a passion for problem-solving, I have honed my ability to approach challenges methodically and meticulously. By leveraging my strong analytical skills, combined with my dedication to quality and functionality, I can assure you that we'll identify the root cause of the problem and find a comprehensive solution to ensure not only that it works again but continues to work in future.
In conclusion, when it comes to tackling your English and French icon display issue on mobile devices, choosing me is synonymous with choosing a versatile problem solver who will employ their well-rounded proficiency in HTML, keen eye for detail, and commitment to continued growth to rectify the malfunction swiftly yet thoroughly. Let's get started!