hyeanep Said:
"battery health drop after update. use 15 pro not more then 1 month. why?: im use 15 pro not more then 1 month..more for social media.. and after update ios 17.6, my battery health drop 1%. before this,im using 12 pro and the problem are same.. why it happened?"
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Battery Health Decline:
You're just fine. Once it reaches 80% it is time for a new iPhone Battery. Unfortunately, there is no way to determine why the Battery Health has declines. It is mere coincidence that this dropped after installing an update. Typically, iPhone batteries drop 2-3% right out-of-the-box.