My iPhone X battery health came down to 90% with in 7 months of time what would be the reason & should I opt for battery replacement because I see some lag
![When should I replace my iPhone's battery? How to use Apple's battery health features - AppleToolBox When should I replace my iPhone's battery? How to use Apple's battery health features - AppleToolBox](https://appletoolbox.com/wp-content/uploads/2017/12/iPhone-Batteyr-health-important-message.jpg)
When should I replace my iPhone's battery? How to use Apple's battery health features - AppleToolBox
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