When turn on bluetooth and wifi there shown in mobile "Turning on bluetooth and wifi " There is not Turnig on bluetooth and wifi.! please solve this issue....

I want to work as Samsung devolper. What i do for that...please give me a Suggestions...please help me my dear Friends....

When turn on Mobile data after a few hours then stop to receive down link, After restar my phone Then solve this problem.... Plsss solve this problem...

in my samsung galaxy j7 2015 every 20minit shows a popup message "simcard data changes ,device will reset automatically" after shows this popup message my phone network refreshed plss solve this problem...only .it shows in using jio sim.

when i tourn on mobile data after 20 minit.The mobile data refreshed and also shows the pop up message "Sim card data changed ,Network reset automatically" plss give a solution..