in application 3uTools etc my battery OKAY but still got this problem
i have many problem here , 23 June i buy second iphone online the condition so good , but i got problem when battery turn into 20% and opening big app (antutu, pubg, facetime, telegram) it always retart (but when i charge thats couldnt happen), then when battery down in 10% my phone getting slower and lag . many my friend say this because my battery and then they give me recomend to using 3utools for check my battery but after i check everything about my battery thats clean and not on problem . but my battery in data connection just 4 hour to turn in 20%.what do you think guys ?? this about battery , U2 ic or my iOs 11.4 ? please HELP :(
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