iPhone lagging and slow after iOS 17 Update

I use T-Mobil and noticed the slow-slow-down too. I have got around it by using only cellular with wifi off or when at home I get fast results with wifi with cellular off. Right now I am only using cellular and seem to be only missing some iphone sounds and notifications. All my apps are opening quickly where, before with both on I was just giving up.

Fixed my CONTACT search issue. Thank you for the suggestion.

Go to SETTINGS, then SIRI & SEARCH, then CONTACTS, then SUGGESTIONS, then turn off “Show contact suggestions” button.

FINALLY. It is Siri that was slowing the search in Contacts. I didn’t have to shut Siri off, just had to unclick the suggestion button.

iOS 17.2 fixed a lot for me on my 13. Best 17.x update so far👍🏼

Works fine on older devices as well after you apply 17.1 and perform hard restart of device.

iOS 16 was stable and smooth for me, and after update to 17.1 it’s stuttering and lagging in 35% of animations, stutters in scrolling, battery drain and more more more. After update to 17.4 I don’t see any improvements, think that it planned obsolescence, I don’t know. It’s my first device from Apple and negative experience, never buy it in future, gonna back to android

I have the same issue. For me, I mirror my phone to my PC for streaming the game MLBB. I noticed that as soon as I updated to 17, the picture quality and frame rate dropped when playing games or mirroring to the PC.

I purchased, from apple, the lightening-HDMI connector and it worked beautifully up until the update. I tried to check if it was the cord and tested the same game on my iPad and it is crystal clear.

I think there is an issue with the new update and it definitely needs fixing. "troubleshooting" will not fix this, it's the OS that is the problem. Sorry.

Same issue here. iPhone 13 mini w/ software + apps up to date + 100gb free space + 89% battery capacity. Tried restarting, force closing apps, resetting settings, etc. Does not resolve the lag problem.

One of the iOS17 updates created this issue. Was never like this on iOS16.

I have AppleCare only for accidental only defect parts. AppleCare, in my extensive experience, is working from basic overall troubleshooting scripts that include the data destructive factory reset and build back out, with no restore. My guess, being a computer support professional for 25 years, is that Apple keeps the true "known issues" to themselves, and only disclose the ones with a fix to AppleCare support people. Instead it's reset and rebuild. It's a shame that Apple gives the illusion that all your data is saved in the cloud, but all your apps data is most definitely not. I had to reset/rebuild, without a restore from backup, as per tier 2 Apple Support commands - and lost untold data in apps like Adobe Acrobat Reader where I stored most of my PDF files. All my music play lists were gone. Some of my photography editing app work had images reside in that app and they were not saved into the Apple photos storage until complete. So that work was lost. I have 28 apps using Face ID to unlock and all of those had to be set back up again. It literally takes me weeks to get my phone built back to usable as it is used in my work. And forget about any settings you tweaked -accessibility - font size - keyboards - etc. that all have to be reconfigured, as of you try to remember what changes you made over time. IOS17 is proving to be quite buggy. And with Apple declining iOS 17 for all phones from the X series and back, it is telling that Apple knew this was coming. Hopefully 17.2, due any day now in December, will be much more than the additional features and contain fixes and hardening of the foundational accepts of the operating system. But I'm not holding my breath, as I have had issues on my $1200 iPhone 13 Pro Max 256GB that have existed with iOS 15... and iOS 16... and now a whole slew of the new lagginess and other issues mentioned in this discussion. I hope Apple hears our cries for stability, back to basics "it just works", allows us to turn off the photo taking AI - that results in bad photos, and stops the practice of recommending complete, data destructive factory reset and rebuilds (without a restore) as a trouble shooting step, when they don't have solutions. It's hurts all of us. And not all of us are technical support people. I hear the frustration of my nontechnical friends and relatives as they ask why Apple did this to them. All of this is meant in a positive light - let's hope Apple listens.

iPhone 12 mini control center slow as a **** sometimes. Today I bought a brand new iPhone 15 and… same lags here too. That lags starts from the iOS 17 to present latest 17.2.1…

So that definitely not about storage, not about battery and even not about factory reset

I have iphone 13 pro max.

since upgrading to 17.* everything is just slower.

i am an IT professional and computer engineer.

app shortcuts got noticeably slower.

app cold starts got slower.

battery life 10% shorter.

i kept on v16 as long as i could but…

Today I proved my iPhone 13 Pro Max is the problem. I'm on my same home WiFi as my HP computer, my PlayStation 5, and my iPad Pro 2021.

My iPhone is SO SLOW!!!! Even the Amazon app is running slow and reporting "Something went wrong" and I have to refresh. The iPhone with iOS 17.2.1 (current) is reporting a Speedtest.net download and upload of

ONLY 14.0/0.83 Mbps.

My 3 year old HP Specter with Windows 11, says 88.5/11.5 Mbps.

My PlayStation 5, original model, says download of 83.2 Mbps.

And my 12.9" iPad Pro 2021 says download of 82.86/11.91 Mbps.

All tests done within 5 minutes. APPLE NEEDS TO STOP ADDING FEATURES AND FIX THE FOUNDATION!

I'm so very dissapointed I'm actually depressed. This is where Apple leaves us today. I have a few months left of T-Mobile credits until I can dump iPhones since my first iPhone 3.

Update

Perhaps in your case that may be true but I have personally tested iPhone 14 and Xr devices and both were lagging and now improved with 17.1

Do you get any solutions

my iPhone 13 is very laggy

it is 4 months old only.

Switching between apps looks very hangy type.

playing small game like mini milita looks very shaky.

it is on ios 17.3.1

wtf broo

Experiencing the same problem here. It's incredibly frustrating to say the least! Ever since the latest update, my iPhone 13 Max Pro with 1TB has became really choppy and lagging especially when switching from one app to the other - lost all smoothness. As much as I love Apple products, the company seems to have some bad intentions! The ongoing Device Performance Litigation certainly doesn't inspire much confidence in Apple.

Hope they fix it soon. After many years of Apple products I’m getting sick of it. BTW, Experiencing the same issue with my iMac. Can’t even open regular websites anymore without getting frustrated!