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Glossary

OS upgrades and security updates

How long the maker promises new Android/iOS versions and security fixes. Longer support = safer, longer-lasting phone.

OS upgrades are new major versions of Android or iOS. Security updates fix security holes and matter most for safety. Makers now often promise a number of years (some up to 7). When support ends, the phone still works but stops getting fixes. Check yours with our Phone Life Check.

Read more: How many years of updates will my phone get?

Also called: software updates, update policy, security patches, android updates

Read more about it

How many years of updates will my phone get — and why it matters Explainer · 27 Oct 2026 · 1 min read

More terms

VRAM (video memory)Memory on the graphics card for textures and frames. More VRAM helps at high resolution and with AI models.Torque (Nm)The twisting force an engine or motor delivers, in newton-metres. More torque = stronger pull from low speed.Titanium / aluminium frameThe phone's metal side frame. Titanium is strong and light; aluminium is light and cheaper.mAh (milliamp-hour)A measure of battery charge. More mAh usually means a bigger battery, but battery life also depends on the screen, chip and software.OLED / AMOLEDA screen type where every pixel makes its own light — deep blacks, high contrast and an option for always-on display.Fingerprint sensorUnlocks the phone with your finger — under the screen (optical or ultrasonic) or on the side button.

All glossary terms