iPhone keyboard lagging after iOS 18 Update

The auto correct has been so bad for so long…turning it off actually makes the swipe to type experience so much better. I typed this without having to fix a single thing…typically I’m fixing multiple words per sentence…

let people decide what works for them. lag/frozen apps is a pretty unbearable experience.

@Nightbridge

I completely agree with you and have experienced the exact same problems. The keyboard lag you described is something I can also reproduce, and it happens in a variety of apps for me as well.

From my experience, the keyboard seems to respond a bit better shortly after a new iOS update, but unfortunately, this improvement doesn’t last long—usually just a few hours before the issue returns.

I also strongly suspect the root cause lies with the CPU or, as you mentioned, a memory leak. It’s incredibly frustrating to deal with this on such a high-end device.

Hello Guys,

Same here. Iphone 16 Pro max with ios18.2.1 tones of lag on typing and keyboard actions.

Do not think there is any solution on this, even if you disable autocorrect, emoji keyboard etc.

Apple need to make critical changes on iPhone performance since these devices costs 1K and a half.....

Just because it worked for you does not mean that the problem is fixed….

My battery condition is normal and I have a capacity of 94%. I have had the problem since day 1 even with 100% battery capacity.

I've heard from many that it didn't help. If that really doesn't help, of course I have a **** of a lot of work to restore all my banking apps etc. Complete loss of time!

IOS 18.3: issue persists on iPhone 16 Pro Max.

iOS 18.3 on iPhone 16 Pro Max and still laggy when enable “Predictive Text”

https://youtube.com/shorts/U9v6lgiAalc?si=1asvOWFL0kPGnWmp

there's a video of it happening. the word flowers is lagging it out hard too. you can see the word "bee" just appear, without individually typed letters b-e-e- because it's lagged out so much from flowers.

As soon as I upgraded to iOS 18 my phone is horrible and if I type more than two sentences it freezes. I have a 12 pro max and I’ve tried resetting the dictionary and shutting off all of the keyboard settings. The only thing I haven’t tried is replacing the battery which I have heard can cause problems but when I read that everyone is having issues with a brand new phone it looks like I’m screwed

I am coming from iPhone 13 Pro Max, as in your case the issue started as I have upgraded to IOS 17. Then, I have recently upgraded to iPhone 16 Pro Max, but same laggy keyboard.

Again, as in your case, I have another phone to compare with, in my case my wife’s phone, which is the same phone you own (15 Pro Max), but in her case the keyboard is perfect.

The keyboard settings are exactly the same on our two phones. I am wondering if any background app which I have is causing this slowness, don’t know if it is possible, but apps are the only difference between our phones (model apart).

Yes definitely a big problem with this lagging keyboard. I can’t sign in to anything online cause the keyboard doesn’t pop up for me to????? Doesn’t happen every day but it SHOULD NOT HAPPEN AT ALL as I’m able to type this. Pls FIX THIS. trying to my bills online and now I can’t on my phone. SMH.

I don't think that's the problem. My girlfriend also has a 14 pro Max which has less storage available compared to mine and she lets all apps open all the time, but hers works just fine. Never had any issues with the keyboard