Smartphones

Adaptive refresh rate lets a display slow down or speed up depending on what is on screen.

An always-on display shows basic information while the screen is mostly asleep.

AMOLED is an OLED display type often used in phones for rich contrast and efficient dark pixels.

Aperture is the camera lens opening that affects how much light reaches the sensor.

An APK is the installable app package file used by Android.

An APN is the carrier setting that tells your phone how to connect to mobile internet.

Battery life is how long a device lasts between charges in real use.

Bloatware is unwanted preinstalled software that can take up space or push extra services.

A bootloader is the startup program that helps your device load its operating system.

A chipset is the main package of processors that runs your phone or computer.

Dual SIM means a phone can use two mobile lines on the same device.

Durability describes how well a device survives drops, dust, water, bending, and daily wear.

EIS uses software to smooth shaky video or photos after the camera captures them.

eMMC is older, slower storage often found in budget phones and low-cost tablets.

An eSIM is a digital SIM built into your phone, so you can activate a mobile plan without inserting a card.

Fast charging uses higher power to refill a battery more quickly than a basic charger.

Firmware is low-level software that helps hardware know how to behave.

A foldable hinge is the mechanical part that lets a folding phone open and close smoothly.

Gorilla Glass is a toughened display glass brand used to reduce scratches and cracks.

Haptics are the tiny vibrations that make taps, typing, and alerts feel physical.

HDR helps video and photos show brighter highlights, deeper shadows, and richer contrast.

An IMEI is a unique identity number for a mobile device.

An IP rating tells you how well a device resists dust and water.

LCD is a screen type that uses a backlight behind liquid crystals to show images.

LTPO is display tech that helps phones change refresh rate efficiently to save battery.

A megapixel is one million pixels, but more megapixels do not automatically mean better photos.

Nanometer labels in chips loosely describe the manufacturing generation, not a simple speed score.

NFC is short-range wireless tech used for tap-to-pay, quick pairing, and some access cards.

Night mode combines multiple camera frames to make low-light photos brighter and cleaner.

Nits measure screen brightness, especially how visible a display can be outdoors.

OIS physically steadies a camera lens or sensor to reduce blur from shaky hands.

OLED is a screen type where each pixel can light itself, which helps blacks look truly dark.

On-device AI runs AI features locally on your phone or computer instead of sending everything to the cloud.

An OTA update is software sent wirelessly to your device without plugging it into a computer.

A physical SIM is the small removable card that identifies your phone number to a mobile network.

Pixel binning combines nearby camera pixels so a phone can capture cleaner photos in low light.

PPI means pixels per inch, a rough measure of how sharp a screen looks up close.

RAM is short-term working memory that helps a device keep apps and tasks ready.

Refresh rate is how many times per second a screen updates what you see.

A refurbished device has been previously owned, checked, repaired if needed, and resold.

Resolution is the number of pixels used to make an image, video, or screen.

Root access gives deeper control over Android, but it can weaken security and break some apps.

Sideloading means installing an app from outside the official app store.

Storage is the space where your apps, photos, videos, and files live on a device.

UFS is fast phone storage that helps apps open and files move more quickly.

An under-display camera hides beneath screen pixels so a display can look uninterrupted.

Video stabilization reduces shake so footage looks smoother while you move.

A warranty is a promise that a seller or maker will fix certain problems within a set period.

Wireless charging refills a device by placing it on a compatible charging pad.