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Glossary

OIS (optical image stabilisation)

A moving lens or sensor that cancels hand shake — sharper night photos and steadier video.

OIS physically moves the lens or sensor to counter small hand movements, giving sharper low-light photos and smoother video. EIS (electronic stabilisation) does it in software by cropping the frame.

Also called: stabilisation, stabilization, eis

More terms

Bluetooth audio codecsHow audio is compressed over Bluetooth (SBC, AAC, aptX, LDAC, LC3). Both phone and earbuds must support the same codec.NFCShort-range radio used for contactless payments, transport cards and quick pairing.Wired charging (W)Maximum charging power by cable, in watts. Needs a charger and cable that support the same speed and standard.Laptop battery (Wh)Laptop batteries are rated in watt-hours. Most laptops are 40–100 Wh; airlines allow up to 100 Wh without approval.GPS / GNSSSatellite positioning. Phones use several systems (GPS, Galileo, GLONASS, BeiDou) for faster, more accurate location.Chipset (SoC)The phone's main chip: CPU, graphics, AI engine, modem and more in one package. It decides speed and efficiency.

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