Amazing symbol on Samsung Shv-e210l, please help?

I am facing a amazing symbol on my Samsung shv-e210l, I can call with phone but use internet,



My internet setting is ok,



And airplane is off



I notice a special symbol my phone screen ,





What is symbol and how can i use internet with phone?



(My is Bangladesh and get the phone as a gift from abroad)



Bellow is the symbol.

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