Battery drain fast

Kevinkkk

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Jul 23, 2019
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I think after the ios 12.4 update the battery life is enhanced than it used to be. Usually, I charging my iPhone 8 plus until it fully charged and keep it in the bed when I sleeping at the night. But when I checked the battery in the morning there is less than 50% is left. I wonder why is this happening and how to fix it.

Thoughts?
 

bamf-hacker

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I would try to do a hard rest to clear out any caches that might be causing issues.

Press vol up, then vol down, then press and hold the sleep/awake button until you see the Apple logo.

Make sure you are not plugged in when you do so.
 

Just_Me_D

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I think after the ios 12.4 update the battery life is enhanced than it used to be. Usually, I charging my iPhone 8 plus until it fully charged and keep it in the bed when I sleeping at the night. But when I checked the battery in the morning there is less than 50% is left. I wonder why is this happening and how to fix it.

Thoughts?

Try charging it with the “Optimize Battery Charging” option disabled in the battery health settings.
 

COMDR

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Aug 20, 2019
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Experienced severe battery drain on my iPhone 8 Plus too after updating to 12.4, at least 40% drained after fully charged the previous night. Already turned off background app refresh, bluetooth, Wifi to no avail.