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.

378 replies

Dec 16, 2020 1:54 PM in response to IvanTan55

This has been my experience for the last couple of months. I had a new battery installed in June, so I don't think it's an Apple throttling issue--it's pretty old though, forced obsolescence?


EDIT: i have 65 GB free storage, I just switched from dynamic to still backgrounds. My current working theory is Apple wants me to upgrade.

Jan 4, 2021 6:22 PM in response to IvanTan55

I have been experiencing the same issues with iOS 14, at first when I updated to iOS 14 my phone feels a little bit faster then after couple of days I started experiencing this issue whenever I unlock my phone it feels very sluggish for no reason, I wiped the phone restored from backup data, I still have the same issue, my phone has more than 100gb free and battery capacity is 100% so I think apple should address this issue please

Jan 13, 2021 11:56 AM in response to IvanTan55

iPhone 7 128Gb (свободно 62Gb) iOS 14.3

iPhone 8 64Gb (свободно 11Gb) iOS 14.3

Проблема есть на обоих девайсах.

На iPhone 7 лаги невыносимы, а на iPhone 8 они едва заметны. Но они существуют и там, и там, в одних и тех же местах и ситуациях.

Я начинаю желать Android (типа Google Pixel или Xiaomi)

Jan 13, 2021 12:32 PM in response to spait92

Да какой там месяц... я со своей семеркой уже с лета 2020 мучаюсь, хоть глаза выколи...

Еще на 13-ке началось, кстати сказать. Но я тогда с 13-ки обновился на бету iOS 14, а потом откатился на 13-ку обратно - и, кажется, как раз после этого началось.

Так что 14-ка вроде как виновата

Jan 17, 2021 11:52 PM in response to iam_NDC

My auto brightness is off and still have this problem, I have try everything and nothing helped. This problem is related to IOS14 cos my phone was working just fine without any freezing or lagging. But now I have this problem from upgrading to ios14 and all the way tonlast update to ios14.3. I have tried everything to turn off and on, resets, restoring and no restorning, nothing helped. Its like something heavy is working when phone is off screen, and when you woke up the phone there you have those 3-5 sec annoying lag.

Jan 23, 2021 8:31 AM in response to IvanTan55

I have the same issue and still waiting a official reply from Apple because it looks like its not based on battery life, RAM, available storage or any other similar things. It's really annoying and it happens really often. When I lock my screen to unlock again, sometimes it happens instantly. Like it was ok 1 seconds ago, what happened during 1 sec lock, to do this lag? It's frustrating and I can do nothing.

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iPhone 7 lagging when unlocking

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