Glossary

1G First-generation analog wireless telephone technology.

2G Second-generation wireless technology, the first digital generation and the first to include data services.

3G Third-generation wireless telephone technology, noted for faster data rates.

4G Fourth-generation wireless telephone technology, with even faster data rates than the previous 3G.

Airplane mode Special smartphone mode that disables Wi-Fi and cellular functionality for use in flight.

Android Google’s operating system for mobile phones and tablets. Samsung smartphones use the Android operating system.

app A software program that runs on a smartphone or other device.

application See app.

Back key On the Samsung Galaxy S6 and S6 Edge, the “soft” key that when pressed moves ...

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