Evolution of smartphone Cameras | Best flagship Phones of 2025 | Tech Today

 On this episode of Tech Today, we explore how smartphone cameras evolved from basic camera phones into advanced optical systems that now define flagship devices. We trace the key shifts in mobile imaging, from the move to multiple lenses and optical image stabilisation to periscope zoom, stacked sensors, teleconverters and AI-driven processing, and explain why cameras have become the biggest focus for smartphone brands. The episode also looks at how camera heritage partnerships have influenced colour science and image quality, and what future hardware innovations could shape the next phase of mobile photography. 

Alongside this, we present a 2025 flagship buying guide comparing the OnePlus 15, Samsung Galaxy S25, iPhone 17, iQOO 15 and Vivo X300, breaking down which phones make sense for camera performance, overall balance, long-term reliability and value. 

We also cover the steps to follow if your smartphone is lost or stolen, how to secure your data quickly, and whether buying the iPhone Air at a discounted price is actually a smart decision.

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