iPhone6 64G更新了ios11後，覺得很耗電，打開應用有點慢並不會卡，請問後續更新會解決嗎？

首先越往上升手機會越卡，新版的系統都是針對新機型的內核而開發的，一般使用過程中沒什麼事不建議升，希望能幫到你

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