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How to clear system data on iPhone

No matter how many times I follow the recommendations and offload and delete apps- my iPhone 12 storage always fills up- I can’t figure out why. I have about 25gb in apps, 11 GB of photos, 9 iOS, 16 in system data! Anyway to reduce that system data? Capacity is 64GB- seems crazy that a third of that is stuff I can’t control.


[Re-Titled by Moderator]

iPhone 12

Posted on May 19, 2023 8:02 PM

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Question marked as Top-ranking reply

Posted on Jun 14, 2024 5:15 PM

Check out this resource if it can help you: System Data taking all my iPhone storage: 6 steps to Clean it up. Step 6 helped me reduce 20gb of system data and force restart reduced 5gb.

51 replies

Aug 20, 2024 5:46 PM in response to laceefromseattle

Jimmykarter Said:

"How do I reduce System Data that takes up all the iPhone storage?"

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Clearing "System Data" (formerly called "Other").

See my User Tip: How to Clear "Other" in your iPhone's Storage - Use Backup - Apple Community


Essentially, you'd backup your iPhone, and then restore your iPhone from the backup you've just created. All System Data will delete.

Jun 8, 2024 6:02 AM in response to laceefromseattle

Yesterday I was trying to backup my Whatsapp chat but I couldn't as it said that I hadn't enough storage on the iPhone (weird enough, as I have 512GB plus 2TB on iCloud). I went to the settings and found out data system was 330GB. I also had un update which I couldn't install because of the storage issue.

I contacted Apple support and I've been told to update the iPhone (to iOS 17.5.1 to be specific) in order to fix the data system issue.

In order to do that I had to update the iPhone from my Macbook through iTunes.

Managed to get it updated and magic, it worked! (When I've been told it was just a matter of updating the phone I was quite sceptic to be honest, so I was really impressed.)

I'll attach screenshot below :)

Dec 23, 2023 6:31 AM in response to laceefromseattle

Hi Lacee!

i just ran into the exact same problem myself and from what I can tell the main problem is due to app cache. As far as I am aware the only way to get rid of app cache on iPhones are to delete the app or some apps(not all only like 3 of mine had this) have a built in delete cache button in the app. It won’t completely remove all system data but it should take a large chunk. Just delete apps and reinstall them. Because app cache is included in the “System Data” category. After doing this my system data went from 25ish gbs to 17 gbs.

however I’m gonna be honest with you I think the main issue is definitely your photo storage. Check through your settings because their should be an option like low quality saving or something along the lines of that. Dw it won’t make them like 240p they still look almost identical to the originals but take up a fraction of the storage. I have over like 10k photos but only 1 gbs worth of storage. There’s also an option somewhere where is stores your photos in the iCloud and they still appear in your phone but after a while they get deleted…it’s kinda weird but like their still there just next time you wanna use them your phone would download them from iCloud. Idk if this’ll work for you since well what’s done is done and idk if you can revert your photos. I hope this helped.

How to clear system data on iPhone

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