iPhone lagging and slow after iOS 17 Update

My IPhone 13 has been considerably slower ever since I updated it to ios 17.


Its never been this way in ios 16!


while using safari, I am witnessing frame drops. My keyboard is not smooth. While check for background apps, It’s stuttering and the app overall scroll seems very sluggish and lots of frame drops.



i have more than 50Gb storage space available and my battery capacity is still above 80%.



Even while typing this, My keyboard seems sooooo sluggish!


please help me and suggest me some useful tips to resolve this apart from the usual force restart and all fixes!


[Re-Titled by Moderator]

iPhone 13

Posted on Sep 21, 2023 9:56 AM

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Question marked as Top-ranking reply

Posted on Oct 21, 2023 7:03 PM

I was advised to:

(1) Reset the dictionary back to the default (for me, that is just English)

(2) Make sure all apps are turned off

(3) Restart the phone

(4) Test the lag whether still happening

(5) Add back dictionaries needed.

It seemed to work for me thereafter.


Additional step suggested was to turn off the Predictive text in Keyboard as part of the above, then add it back in after restarting the phone.

215 replies

Dec 22, 2023 11:18 AM in response to Apple_and_Stones

Same here, ios 17.2.1 on iPhone 12 pro max.

the keyboard is so slow and laggy, it looks like using the iPhone 4 with ios 7.

The battery health is 92% and the phone need to be charged 2 times a day.

ios 16 was laggy too, but at least my battery was lasting a decent amount of time and I could still write messages the right way.


This is NOT a normal behavior, 1450€ for a phone that is more laggy than a 10 years old phone.


Apple needs to fix all this, I’m considering to stop being an Apple user after 10 years.

And stop providing false fixes like restarting the phone and resetting the keyboard.


The price is rising and the service quality is getting worse year after year.

Dec 24, 2023 1:42 PM in response to Apple_and_Stones

Same; phone dying at 15-20% now.. screen stuttering. Lagging everywhere , opening apps/typing lagging, constant screen lag. Wasn’t like this before. Maybe stop sending universal updates for all iPhones? We know you’re making the new updates on the newest iPhone; without thought for the older ones. Not buying the new iPhone either. Will look for alternative.

Jan 6, 2024 7:16 AM in response to Apple_and_Stones

You guys aren't encouraging me at all to get a newer phone! I still have a XR that is nearly 3 years old and this last ios update is causing my phone to glitch and temporarily lock up. Not to mention the battery has been toast since it was only 6 months old. As much as I prefer iPhones, I am considering going back to an Android after about 8 years of iPhones because of these issues. It's obvious that Apple is intentionally slowing down our phones so we will want to buy the newest phone for $829-1,029 which is highway robbery!!!

Jan 7, 2024 1:56 PM in response to Apple_and_Stones

Me too !! I thought I was going crazy my iPhone 13 is still under warranty and after updating to ios 17 I’d various problems with battery performance and the phone being sluggish and it’s not running smooth at all the keyboard is stuttering and when i pull down the top menu it’s sluggish and weird I swear my 8 plus preforms better than this even with battery below 80% !!!

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iPhone lagging and slow after iOS 17 Update

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