Mobile network sign disappears, replaced by "stop sign" icon

Question

I am using Samsung Galaxy Note 10.1 N8000 device. I have SIM card inserted for mobile data usage. First time, it is working as I captured status bar image as shown with mobile data sign :-



enter image description here



but after some time, mobile data sign disappears and "stop" sign appeared as shown in the picture :-



enter image description here



What does that stop sign mean?


— void pointer | Sources

Answer

The icon will appear when your mobile provider network is down. No signal at all, so SIM appears as out of service.



IMG:



(Image courtesy of Android Central's Forum)


— ares777 | Sources

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