Smartphone Display Technologies in 2025: OLED vs LCD vs LTPO (and What Really Matters) One of the first questions we all ask ourselves when we are about to buy a new smartphone is: “What kind of display should my next phone have?” Because the answer isn’t that simple, in this guide I’ll walk you through the essentials and clear up …

TL;DR: Charging your smartphone overnight isn’t inherently bad, but long hours at 100% and heat accelerate ageing. Prefer slower charging, a cool environment, and Optimized/Adaptive Charging. Table of contents How is battery lifespan determined? Why do lithium-ion batteries lose capacity? How to “take care of” my smartphone battery Can I use apps while my phone is charging? Summary, safety checklist …