Fix grammaticality of the sentence: Besides, mobile phones became digitized at the beginning of this century, which brought a revolution of mobile telecommunication.
The first time the word “mobile” appeared in, it was in the, which was the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the, the
The mobile phone is a device that allows us to communicate with each other through a wireless network.
The mobile phone is a device that allows us to communicate with each other through a wireless network.
The mobile phone is a device that allows us to communicate with each other through a wireless network.
The mobile phone is a device that allows us to communicate with each other through a wireless network.
The mobile phone is a device that allows us to communicate with each other through a wireless network.