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I purchased iPhone 11 Pro, after 8,9 months of use my phone was suddenly dead. I claimed and apple replaced my phone. Now after six months my battery health has drastically been reduced to 81% . I use original charger and charge with care. Why this has happened to the battery, is it a problem with replacement phones or there is an other issue? please also guide me what should I do now?
iPhone 11 Pro, iOS 14
As the phone is out of warranty have Apple replace the battery at 80%
That is an unusual amount of drain if it indeed went from 100 to 81% in 6 months, and it was Apple who replaced it. A genuine battery should do 500 full charge cycles before getting to 80% , but it is out of warranty now.
The only thing you can do to preserve battery health is charge overnight all night so that Optimised Charging comes into play.
https://support.apple.com/iphone/repair/service
You can see additional service information within the following article:
Get your iPhone, iPad, or iPod touch ready for service - Apple Support
I have no idea, you could ask Apple
Depending on your region, you may be able to reach them here: contact Apple Support
apple replaced my phone as it was dead. gave me a new phone whose battery health has dropped to 81%.
apple won't do me a favour now?
POOR Battery Health
