iPhone 7 lagging when unlocking

I’ve been having the same problem since ios14 update . I have also had my iPhone checked by apple remote support and they said everything was ok .

it is very frustrating and I also noticed that lags disappears when the phone is plugged in .

don’t know what to do

Same issue. I have 256GB with about 85GB free. 1/3 of the time I unlock the screen it lags and freezes as described in previous comments. Lasts for about 10 seconds though and happens every other time so not a huge problem otherwise the phone is still very fast. But annoying and embarrassing

I turned-off the Touch ID and the PIN for 2-3 days and worked fine. Now, I turned it on but also disable Optimized Battery Charging in Battery Health.

Don't know if this is a placebo effect or what but I'm sure that the problem haven't happen again.

I also have this issue. Battery health is fine, energy save mode is off and I have enough free memory.

I reported the issue via the feedback website, as we should do since it hasn’t been fixed for quite a long time, hopefully they will fix it soon!

[Edited by Moderator]

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

Same here, when I unlock my phone I wait to "LOCK icon" next to clock in top of the screen disappears, and then i use the phone normally. But if I use phone before that icon disappears the phone lagging. Somethimes when unlocking the phone backlight is so lagging when it's dimming and everything is so lagging too, so badly maybe 5-10 seconds. This lagg starts after updating to ios 14 and its still present. Before ios 14 never nad a problem. Its iPhone 7 128gb with 95gb free, battery is original and new installed year ago 93% health and with battery healt and screen on time is fine, just that lagging is annoying.

IOS 14.3 iPhone 7 128GB eith 95GB free space. Everything was okay until update to IOS14. Only where I can have less lagging or no lags after unlock is when I disable touch Id and passcode, then I'm noticing almost non lagging after unlock and working fine. But when I activate touch id i get that 5 seconds lagging after unlock with touch id. Tried erace all finger scans and put new finger scans, tried reset, turning on and off phone and nothing helped. Unlock with tpuch id and click on app and I get white screen then I get messages and then I dont have keyboard and then finally comes, or somethines I unlock and I'm in app already and I'm start typing and nothing its like frozen and after 3-4 seconds unfreeze and what I type keynoard typecitcself in seconds and it works after that. Or with songs its lagging in apple music like Im using iphone 3g. This start to be very very frustrating to that point that I'm thnking of sell iphone, apple watch and cancel all subscription and go back to android.

This method didn't solve the issue for me.

However, I found a workaround that helps in most of the cases. Go to Settings --> Display and Brightness, then turn on Raise to Wake. This way, every time you raise the phone from your desk, the screen will turn on, you only need to touch the home button, and there should be no lagging.

I tried turnig off and on, reset pass, reset fingerprints, turning off everything and bot having any lock protection and nothing helps. At the beginning it works but after few hours lagging comes back. Now im trying this method what they suggest turning off rise to wake. And for now it is working but we will see after few hours or tomorrow.

My suggestion was to turn ON Raise to Wake. When turned on, you don't need to press the Home button to unlock, it is enough to touch the Home button, because the screen will be on if the phone is raised from your desk. Of course Rest Finger To Open in Accessibility > Home Button needs be be turned ON as well.

This method only works if you raise your phone before unlocking. For me the issue is still there when the phone is in my hands, and unlocking it with pressing Home button and using Touch ID.

When raise to wake is turned on, it laggs every 3th 4th unlock, when raised sometines its lagging so much that backlight stay dimmed and then like in 5 frames turning on, step by step going to full brightness. And then unlocking the phone and I need to wait few sec and then phone start to work normally. And soletimes backlight is fine and unlock find and then start to lagg and I wat few sec and after that works fine. And what I noticed when i lock the phone with power button phone locks and i hear the lock sound few seconds after screen go blank. Pressing power button screen goes black phone lock and then after 1-2 seconds I heak "klick"-lock sound. This is not that often but I notice thst. And all this problem start with upgrading to ios 14 and stays trough all ios14 updates. With ios13 never had this problems with lagging, phones was fluid and everything works fine.

My guess is that there is some background activity going on when the display is off and when we try to unlock the iPhone this activity has to be stopped or paused and it needs some time to do so since it’s a heavy resource demanding activity. I have no idea what kind of process it could be though and mine is just a guess...

Lagging is still present, with or without raise to wake, with or without any lock protection, its just there when ever I wake the phone Lag and slowness is there few seconds, sometimes I notice is even more then few sec. Like opening app and there is just white screen and nothing then app loading then i klick on let say chat and it's loading and all of the sudden start working fast and normally. Its like it is working something in the background like gimi33 said. And I thought is like cos of Iphone 7 its old but no, I saw my frineds have similar problems with iphone xr, x, 11. And if phone standing just on table or in pocket and not doing anything it drain battery way more than before with ios13. I dunno but I really loosing mu patience with so much bugs in software and so long with all updates but always the samo preblems... It's funny cos I never had this problem when I was using Android, not even one of this problems ever and I used android for 10-11 years bughet and premium phones, and iphone I was switch on and off but last 3 years I use iphone, apple watch, ipod, if this goes on with other updates hmmm im thinking notvto use iphone anymore...

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)

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