Please I Need Help

i just upgrade my LG G3 D858HK to MM 6.0 everything is fine but Data Connectivity.. its connecting but internet is not working.. now i really dont know how to fix this issue as i am new to this i just upgraded by step by step method... please help.. i don't often use this site so please if any one have any solution do contact me on whatsapp pzzz :( +923323215771


Thanks In Advance
Faizan

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