iOS 17 Storage Space Bug / Issue

This feature/item was not there upon iOS 16.6 - but after the upgrade to iOS17 - phone storage data has been taken up due to SYNCED CONTENT.

There was no reason for it to take up nearly 20-30% of the storage away from the phone (when my device had about 30-40 gigs left I'm down to 4.23gbs). This has disallowed me to back up my device to my iMac due to now lack of storage space b/c of this issue.

This seems to be an un-tested feature/bug/issue. I'm sure many users would not be happy knowing that their device storage was depleted for some unwanted/untested feature.


Is anybody else noticing this issue as well (as among many reddit forums /alternative forums as well).


[Re-Titled by Moderator]

iPhone 12 Pro

Posted on Sep 21, 2023 10:16 AM

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Question marked as Top-ranking reply

Posted on Dec 7, 2023 8:12 AM

The 17.1.2 update didn’t help, but I am seconding the restore comment.


Back up your phone, wipe it, then restore it from that backup. Since I’m a Windows computer user and I don’t use iCloud, I backed up my phone via iTunes. I then did a factory reset of my phone (make sure to keep your eSim/carrier data, it will give you that option before you completely erase it), then backed it up from the backup I created. You should also be able to create a backup from iCloud if you don’t have iTunes. It’s been around half a day and it LOOKS like everything is normal so far. One of my apps shrank from 1.4gb to 417mb, and the Documents & Data size now looks reasonable. Previously, simply deleting apps did nothing to change the size of Documents & Data.


It took a few hours and time will tell if is bloats back to its bigger size, but it’s worth a shot. Just be very careful when backing up and erasing your phone.

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153 replies

Nov 29, 2023 2:03 PM in response to STJ23

Before I updated my iPad to iOS 17.1.1 I had used about 32/33 storage. Now I’ve used 38 after deleting so very much that I really wanted to keep. I’ve offloaded several apps as well and still the storage is at 37/38. Why are my photos repeated on several different pages. I don’t want more than one of each photo except those that I put into albums. Is this using too much storage. I wish I could take this latest upgrade away. Not good at all, in fact an awful upgrade.


Nov 29, 2023 10:25 PM in response to STJ23

It’s actually upsetting how many of us have this issue they refuse to to ANYTHING about!!!! I don’t have the synced content issue, but all of a sudden system data is rising, along with every single app and its “documents & data”…. The sad thing is shutting down this phone or force restart DOES NOTHING. I’m constantly deleting my apps I always am clearing caches safari is always cleared.

My phone is running faster somehow but having a 64gb iPhone in almost 2024 it’s sad to see these issues.

My mom has an 11, WITH WAYYYYYYYYY MORE on her phone than me, yet her iOS is only taking up around 8 gigs and somehow system data only takes up 4-6 gigs. I’m convinced they’ll never fix this.

Dec 14, 2023 8:18 PM in response to guboji

Same. Im on ios 17.2 Im actually more concerned with the icloud storage increasing for no reason. I delete texts manually and I know it takes up to 4 days to delete from the server end but the backup storage keeps increasing. I also noticed that in icloud under next backup size it just says LOADING I heard ppl who have macs have this problem too. I hope its fixed. Another issue it the messages in icloud wont toggle on its frozen. I had to buy more storage just to be safe.

Aug 7, 2024 6:20 AM in response to STJ23

iOS 17.6/Watch 10.6. My Apple Watch (SE, 2nd Ed) now has 10GB of junk messages on it versus my iPhone’s 2GB. Apple Support (Ha Ha) says this is normal behavior. Apple has a serious software problem regarding Watch storage management. There is no excuse for stealing at least 8GB of my Watch’s precious memory for junk storage overflow mismanagement. Class Action?

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iOS 17 Storage Space Bug / Issue

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