Have you cleared Recently Deleted in Messages? On the top left tap on Filters. Answer from NotQuiteinFocus on reddit.com
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Reddit
reddit.com › r/iphone › iphone storage once full, always tends to remain full no matter what.
r/iphone on Reddit: iPhone storage once full, always tends to remain full no matter what.
June 5, 2023 -

So I own a 128Gb iPhone 12 mini. Have experienced the same issue with my prev iPhone as well. My storage got full almost three days back. Now I deleted an app taking around 1.5 gb of space and then it got emptied as expected. But after sometime what do I see, the storage is full again with me not doing anything. Next I uninstall another app, storage empties and then it is full again… What the….

Now I delete some pictures and clear my bin too almost 2 gb.. After some time the storage is full again.. Don’t know why and what is happening, does this happen with you guys too ?

And also , how do you deal with the issue once your storage is full…

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Reddit
reddit.com › r/ios › does anyone know how to make system data go down? i have an iphone 14 pro max and haven’t been able to update my phone in so long because the storage is always full
r/ios on Reddit: Does anyone know how to make system data go down? I have an iPhone 14 Pro Max and haven’t been able to update my phone in so long because the storage is always full
3 days ago - Only solution was a full reinstall. Now 32gb ios system data disappeared! ... Go into your camera app and activate ProRes video. It should say clearing resources. Then, check your system data. ... What iOS version are you running? If you are running iOS 18, there is a bug in it if you upgrade to iOS 26 it will be back to normal. I had the same problem on my iphone.
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Reddit
reddit.com › r/ios › what's the deal with iphone storage? sick of seeing this.
r/ios on Reddit: What's the deal with iPhone storage? Sick of seeing this.
December 4, 2024 -

I have an iPhone 11 and an iPad and they're constantly reporting storage full, no matter how many photos & apps I delete or offload. This is a constant problem.

I'll go through with a cleaner program and I'll delete about 4GB of photos and videos, and even the storage indicator will show that I have tons of room left. Then, an hour later, I’ll still get “storage full” messages.

This happens on both my iPhone and iPad.

I have iCloud storage and also pay extra for added storage; it's nowhere near full on my iCloud account.

Is this a bug? Known issue?

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Reddit
reddit.com › r/ios › this is ridiculous.
r/ios on Reddit: This is ridiculous.
November 1, 2025 -

I am on an iPhone 14 Pro Max 256gb iOS 26.0 (23A5326a) and my phone storage is completely full. System data uses overwhelming the majority of my storage. I have already tried the double date change trick and it took 20gb and an hour later everything back and a bit more.

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Reddit
reddit.com › r/iphone › i have found a solution to system data storage bug
r/iphone on Reddit: I HAVE FOUND A SOLUTION TO SYSTEM DATA STORAGE BUG
January 13, 2023 -

So I got a 1TB iphone 13 pro and as I was looking for useless stuff to fill it will Apple helped me with a hefty 28 GB of system data 3 weeks after my purchase. Here is a solution ive found for getting rid of most of it

  1. Delete the Apple TV app from the home screen (you can also delete it from the iPhone Storage

  2. Then quickly go to Settings>General>iPhone Storage

3)Either Instagram Or Tiktok will immediately shoot up to tens of gigabytes (in my case Tiktok was 4GB and instagram was 17GB, with system data being 28GB before deleting the TV app) of data and when you click them you will see that nearly all of it is Documents and Data. You have to do this quickly as in a matter of seconds they will go back to 300-400 mb and all of the excess data will return to System Data tab

4) Delete them (as there is no way to delete the cache in some apps) and wait a minute or two , system data should revert to 8-9gb

5) Reinstall them and turn off the background refresh for the app

Of course this could be any other app like Netflix or Disney+ which will accumulate cache as you stream content even if you don’t have any offline content downloaded.

Strangely enough My iPad air 256 which never had Instagram or Tiktok installed has 8 gigs of system data since the day I got it

Please let me know in the comments if this worked for you.

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Reddit
reddit.com › r/ios › iphone storage full from “system data?” here’s a fix!
r/ios on Reddit: iPhone Storage full from “System Data?” Here’s a fix!
January 12, 2024 -

Has your phone run out of space, and you did your due diligence to clear it out? Was that space then turned into “system data?” How do you get rid of system data?

Well, from what I read on different blogs and Apple support articles, all you can really do is offload unused apps, get rid of messages, clear out caches in different apps, etc. but that’s not really getting rid of system data…and I’ve noticed my phone seemingly getting sluggish over the last few weeks after offloading a ton of movies from traveling recently. It basically turned that data into system data. So here’s the trick…

If you have an iPhone capable of shooting ProRes video, go into your camera, go into video mode, and enable ProRes. You’ll notice a ticker at the top that tells you the maximum amount of time you can shoot in this mode. It will more than likely be 0 minutes, but you will see right below that a spinning ticker saying “optimizing resources.” This is getting rid of that system data that’s unneeded. I just left my phone in this mode for a few minutes and it freed up five minutes worth of video, but then gave me the option to continue free resources. It essentially got rid of the rest of the system data that wasn’t needed and left me with the free space above!

Hope this helps!

Find elsewhere
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Reddit
reddit.com › r/applehelp › iphone running out of storage- but i have icloud?
r/applehelp on Reddit: iPhone running out of storage- but I have iCloud?
August 27, 2024 -

Hi all, attached supporting photos. My phone keeps saying it is running out of storage (and clearly it is), but my photos are taking up 10GB’s when I have them backing up to the iCloud.

So here’s my issue- correct me if I’m wrong, but even with the photos backed up onto the iCloud, if I delete photos from my phone, I get a prompt saying that photo will be “deleted across all devices including iCloud”. So, how in the heck am I supposed to free up space on the phone?

Also, before it is recommended- since the photos are backed up to iCloud, I cannot transfer them to my computer/external hard drive. I tried but the folders were just empty. :/

Any help is appreciated because other than this my phone still works just fine.

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Reddit
reddit.com › r/ios › anybody else suddenly running out of storage on their iphones?
r/ios on Reddit: Anybody else suddenly running out of storage on their iPhones?
July 27, 2022 - https://www.reddit.com/r/ios/comments/tf35t3/ios_154_post_update_storage_bug_system_data_case/ ... Immediately after your hard-reset your device, if you go back into iPhone Storage, then your 'System Data' will go back down to aprox 1GB in size as ...
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Reddit
reddit.com › r/ios › ios takes up almost a third of my storage
r/ios on Reddit: iOS takes up almost a third of my storage
September 28, 2025 -

My system data takes up 36.59 GBs.

I know that’s not excessive for an operating system in general, and yes, I know 128 gigs isn’t very much these days, but it still seems crazy to me that the system data is almost 1/3 of a devices storage.

I know they appear to be slowly moving iOS, iPad, OS, and macOS towards some unified multi device operating system (which would be amazing), so there is probably some foundations for that bloating the system that aren’t getting used right now…

But even with that, it just feels kind of nuts for a phone’s operating system to take up such a huge portion of the phones memory.

———

P.s., no Settings doesn’t actually show you how many gigabytes your system data is taking up. I gave a screenshot to ChatGPT that was cropped to the width of the line chart, and I had it right Python code that would use the number of pixels in the system data section divided by the total width of the chart to approximate the gigabytes taken up by system data. Prompt in the comments.

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37Gb of System Data on an iPhone is not normal; it’s a sign something’s gone wrong. “System Data” is a part of the operating system’s way of managing icons, photos, caches, etc. It goes up… and it goes down… and you can’t get rid of it (under normal circs.) Anything up to the size of the operating system itself? That’s fine. It’s how iOS (and iPadOS, come to that) operates. Again under normal circumstances. Very occasionally, due to one or more different things (a bad update, an app not behaving as it should, an app not releasing the cache when it’s finished, a few other reasons) the operating system doesn’t/won’t release the data in there… and the “System Data” grows… and grows… and grows… Again, this only happens very rarely, but when it does, and the system data gets to 30Gb, 40Gb, I’ve even personally seen 60Gb+, the only guaranteed way to clear it is to do a full backup/restore. Again, though, in normal operation, you should never have to do this. It’s only when something goes wrong and the system data grows and grows. If your System Data is that huge? Yeah, something’s gone wrong, When I had it on my iPad, roughly 45Gb that wasn’t going down after a week or so, everyone - including Apple Support - told me to go with the nuclear option: back up to Mac/PC => reset device as new => restore from Mac/PC. Yes, it’s a pain. Yes, it takes some time. And yes, it shouldn’t happen. But again, something has, at this point, gone wrong. It might work, ie get rid of the vast majority of the System Data, if you do an iCloud backup, reset as new, then restore from iCloud backup… but it absolutely does work when it’s backed up/reset as new/restored from backup via a Mac or PC. When I did it, the System Data not only immediately reduced down to single figures, it’s stayed around the 10Gb mark ever since.
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Same lmao
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Reddit
reddit.com › r/ios › iphone storage, bug or?
r/ios on Reddit: Iphone storage, bug or?
January 8, 2023 -

I had a huge iCloud storage shown on my iPhone last couple of months. Even though my iCloud drive is around 3-5mb, it was shown on my iphone storage as 170-180Gb for a moment. Today I realized that things are going more interesting. I saw several similar topics but it is first time that I see something like this. Anyone know the solution? I don’t want to reset hence there are many banking apps needs to be re-activated which I am trying to avoid.

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Reddit
reddit.com › r/ios › ios storage full. more than 50% of space is being used by "other" storage and yet there's no option to clear it.
r/ios on Reddit: ios storage full. more than 50% of space is being used by "other" storage and yet there's no option to clear it.
May 27, 2023 -

even if i delete every photo and every single app on my phone, they add up to practically less than 2.5GB

everything else is eaten up by "other" storage.

how do i clear "other" storage?

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Here we go again... Not my post, but proven solution: PSA: The proper way to delete or shrink iPhone System Data use on disk Hi, So you may all be aware of the "date trick" for triggering maintenanced (a system process on iOS responsible for cache deletion and management) on iOS to invalidate and expunge System Data (caches) from the disk. But, cache sometimes gets revalidated - as in System Data goes back to its original size - presumably because maintenanced doesn't finish its process before users set the date back, or because there is a scheduled maintenance period triggered by this date change to expunge the data that isn't triggered immediately (the change to storage after this maintenance period is shown in Storage settings but isn't actually freed at this time). I have figured out a reliable way to prevent this, and to trigger maintenanced to immediately expunge all cache for good. As in, with this method, you can actually get iOS to immediately reduce System Data use on disk and to have it stay for good. Essentially, you need to set the date into the future, twice. Read notes below before you begin. Notes: Make sure you follow Step 3. Also, it's actually not recommended you do this consistently, as caches increase the performance of apps and iOS in general. This should only be done when it spirals out of control. Also only do this if you see System Data above 25GB for best results. I also recommend deleting and reinstalling Instagram and Discord, if you use them, as they seem to be the mostly sneaky apps camouflaging cache into System Data. Check your current System Data use on iPhone Storage settings. Close all your apps. Critical: Set your iMessages to stay around forever on iMessage settings on iPhone to avoid having your iMessages deleted! Go to Settings > iMessage > Message History > Select 'Forever'. This is important. Set your iPhone in Airplane Mode and turn Bluetooth and Wi-Fi off (this is to avoid anomalies with iCloud, Apple Watch and other apps). Change the date to 1 year into the future from the real date. Make sure you followed Step 3 before this step. Wait 60 seconds. Keep your phone awake. Check System Data use again. It should be much lower. If you don't see a change, close Settings, relaunch and keep checking. Change the date to 3 months in the future from the real date (this is essentially 9 months in the past from the last setting). Wait 60 seconds. Keep your phone awake. Check System Data use again. It should be around the same or lower. Change date back to Automatic. Turn off Airplane Mode. You're golden! It's absolutely ridiculous this process is even necessary, Apple should get on board to fix the System Data woes. They have been an issue for many years now. https://www.apple.com/feedback/iphone/
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Apparently there is a complicated fix if you keep searching. Also send feedback to apple because this problem is too common
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Reddit
reddit.com › r/ios › apple has lost the plot on storage
r/ios on Reddit: Apple has lost the plot on storage
October 25, 2025 -

Well, it's time to deep search this forum, the internet and AI to solve my storage problem. Apple has completely lost the plot on storage requirements and the size of IOS.

I have an iPhone 13 Pro Max with 128 GB that's worked great until the last 6 months which have brought a host of "your storage is full" messages.

IOS needs 62GB for System data? Why?

Who is the product manager that decided it was an OK option to "offline unused apps" to solve space problems. Some apps aren't just used very much. That's all. I don't want to have to wait for a parking app to redownload to use it. It's on my phone.

Here was my fun this morning:

  1. Get the "storage full" message when I had about 1.5GB free last night.

  2. Go look and see that my phone is 127.61GB used

  3. I go into Photos (taking up 6.9GB) and delete a bunch of videos and photos. Some of the videos were lengthy and, all told, deleted about 1GB of stuff.

  4. Permanently delete those items

  5. Check storage: 127.72GB - WTF did it go UP??

Apple's suggesetion: "You can save 11GB of space by offloading unused apps!"

Here's my suggestion Apple: Get better engineers. Reduce the size of your own apps.

I'm open to suggestions. I've already rebooted, deleted, offlined.....

It's a mess.

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Reddit
reddit.com › r/ios › apple. wtf? clear this storage or give us controls to clear the cache!
r/ios on Reddit: Apple. WTF? Clear this storage or give us controls to clear the cache!
November 5, 2025 -

Bloated mess. SMH.

A 0.1 update that needs 14 GB which can’t be downloaded because the system data eats 28 GB. There’s enough space to download the update if the OS has a better storage management system instead of keeping junk forever.

An OS in 2026 that doesn’t have controls to clear cache or do it automatically is pathetic.

Insanely large app sizes with bloated document sizes are another headache. Also why does system data fill up all my free space ffs?!

So much for it just works.

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Reddit
reddit.com › r/iphonehelp › storage stays full for days after deleting thousands of pictures
r/iphonehelp on Reddit: Storage stays full for days after deleting thousands of pictures
December 4, 2023 -

Hi guys!

My IPhone 8 says the storage is full even though I keep deleting apps and pictures. This has been going on for 2 weeks.

When I connect it to iTunes, it shows that I have 8GB available. When I try to save the phone on iTunes, it’s says the storage is too full to sync, though.

I keep deleting pictures and nothing changes. I emptied the deleted pictures section. I deleted my browser history.

It says I have around 18Gb of system data and every time I delete something the number just gets bigger instead of the available storage.

I still have ICloud storage available. I’ve turned on/off the phone a few times, doesn’t change anything.

Do you have any idea what i could do ? I can’t even open WhatsApp so it’s been really hard :( thanks !

I’m under iOS 16.3.1 btw.