Sir mera mobile ka battery 90 prcent tak thik se charge hota hai phir 10prcent bhaut fast charge hota hai turant utar bhi jata hai plz sir give me a solution

Mere mobile Samsung j7 prime hai isme ek dikkat ho gya hai ye dikkat software update ke bad hua hai Jab Oreo8.1.0 mai maine aapna phone update kiya tab se ye problem aa rahe hai battery 90prsent tak charging hone ke bad fast charge hone lagta hai bad...