Close all Application's this doesn't affect to your usage  . Now, switch to Cached close all Application's in this way you can extend your device speed. This process basically avaible for all Android device Trust me this will help you to speed up you...

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Saare devices ko Oreo aare yaha tak ki Pie update bhi mil gaya . Toh aab J2 2018 ko ek baar me Oreo or Pie milega kya?

I purchased a samsung product "Samsung j2 2018" my biggest mistake of my life. No oreo update and even no Pie update too. 

Everyone is getting android Pie and still I'm running on Naugat and waiting for android oreo. Even I don't know that my device samsung j2 2018 will recive Oreo or not. Whenever I call samsung service centre they say "Sir, you might wait for OREO!!" ....