OxygenOS 11.2.9.9 for the OnePlus 9 and OnePlus 9 Pro

Pavlos Papadopoulos is a Senior Field Engineer and long-time technology enthusiast based in Thessaloniki, Greece. With over a decade of hands-on experience working with hardware, software, mobile devices, and real-world IT systems, he brings a practical, engineer-level perspective to every article he writes.A passionate smartphone user—especially within the Xiaomi ecosystem—Pavlos explores how apps, tools, and everyday technologies perform in real use. His interests span programming, web development, DIY tech projects, digital workflows, and productivity tools.He is also the founder and editor of three technology websites: Gadget Rumours, TheLatestTechNews, and TechnologyNews.info, where he has written and curated more than a thousand articles covering software, mobile tech, hardware, and emerging digital trends.Pavlos is committed to clear explanations, helpful guides, and honest, experience-based insights that help readers make better decisions about the technology they use every day.