play store not working in infocus m2 3g

i recently updated ota update but i dont think thats the matter, after that i want to try the shadow fight cheat trick of unlimited coins and gems and for that i use lucky patcher and after trying 2 or 3 time it not worked, but it causes the play store not working or not let the sign in to any type of website who use gmail...:confused:
if any one has solution for same pls help me.
and thanx for all ur work u do to simplise and modifications for us...

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