iPhone 7 lagging when unlocking

Wondering if any iPhone 7 users have experienced this issue whereby the phone will lag and become very sluggish when unlocking the phone. This issue arrived when I updated to iOS 14 and I didn’t have this problem in iOS 13. After unlocking , the animations will turn off and opening apps, scrolling through your apps will be really really laggy. After about 10 second when the unlock icon at the top of the screen disappears, then everything run as usual. Please respond if anyone have faced this issue before.

iPhone 7, iOS 14

Posted on Nov 5, 2020 5:24 PM

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Posted on Apr 9, 2021 8:45 AM

Just adding my voice to the thread, had this infuriating issue on iPhone 7 since iOS 14 launched.


As someone earlier in the thread pointed out, it does seem (at least in my case) to be related to pushing the button to wake up the phone. This appears to not wake up the CPU correctly leading to a period of intense lag.


Enabling "Wake on Raise" and then raising the phone to wake it, before unlocking the phone via Touch ID works perfectly. It's important to note that pushing the button to wake still causes lag. You must raise the phone to wake it.


An awful workaround, but since Apple doesn't seem to care about the issue, it will have to do.

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iPhone 7 lagging when unlocking

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