Motorola x30 mobile phone green light in the upper right corner

Would you like to ask the reason for the green light in the upper right corner of Motorola x30 mobile phone? The reason for this is the following：

There are several situations when the green light flashes: the new message is unread, the phone is not answered, the downloaded and saved information is unread, or the battery is low.

Motorola X30 mobile phone was released in June 5438+February last year, and this mobile phone is not bad in all aspects.