What does the term "roaming" refer to in the context of cell phones?"

Тест на тему ""Our life is impossible without communication. Cell Phones in Our Life""

What does the term "roaming" refer to in the context of cell phones?"

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It describes the process of unlocking a phone.
It refers to the ability of a phone to connect to other cellular networks outside its home coverage area.
It indicates the battery-saving mode of a phone.
It describes the process of customizing a phone's settings.

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- It describes the process of unlocking a phone.
- It refers to the ability of a phone to connect to other cellular networks outside its home coverage area.
- It indicates the battery-saving mode of a phone.
- It describes the process of customizing a phone's settings.