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Glossary

Storage

Space for your apps, photos and files (GB / TB). It cannot be upgraded unless the phone has a memory card slot.

Storage is where apps, photos, videos and files live. On most phones it cannot be added later — choose enough at purchase. A few phones have a microSD card slot for extra space (check the Memory card slot spec). Keep about 15–20% free so the phone stays fast.

Also called: internal storage, rom, ufs, microsd, memory card

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More terms

0–100 km/hThe time to accelerate from standstill to 100 km/h (about 62 mph), as measured by the maker.Video resolution (4K, 8K, fps)The size and frame rate of video. 4K at 60 fps is smooth and detailed; 8K is larger but rarely needed.Wi-Fi 6 / 6E / 7Wi-Fi generations. Newer ones are faster and handle busy networks better — if your router supports them too.Laptop battery (Wh)Laptop batteries are rated in watt-hours. Most laptops are 40–100 Wh; airlines allow up to 100 Wh without approval.AC charging (kW)Charging from a home wallbox or public AC post. Limited by the car's onboard charger.RAMWorking memory for open apps. More RAM keeps more apps ready in the background.

All glossary terms