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Apple Releases Revised iPadOS 17.5.1 Update for iPad 10

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Apple today released a new version of iPadOS 17.5.1, specifically for the 10th-generation low-cost iPad. The update is a second version of iPadOS 17.5.1, with a version number of 21F91, up from the original 21F90 version.

iOS-17.5.1-Feature.jpg

The iPadOS 17.5.1 update can be downloaded through Finder or iTunes, and it does not appear to be over-the-air as of yet. iPad 10 owners who already installed iPadOS 17.5.1 may not see the update, and it may be limited to those who have not yet downloaded the software.

There is no word on why Apple has released a new version of iPadOS 17.5.1 for the 10th-generation iPad.

iOS 17.5.1 and iPadOS 17.5.1 previously came out on Monday, May 20, and included a fix for a bug that could cause images to reappear in the Photos app even after being deleted. Apple said the bug was caused by a database corruption issue.

Article Link: Apple Releases Revised iPadOS 17.5.1 Update for iPad 10
 
Article Link
https://www.macrumors.com/2024/06/03/apple-releases-ipados-17-5-1-ipad-10/
coolfactor said:
This whole "database corruption" issue that is causing deleted photos to reappear. It's not clear if — these photos are now correctly deleted, or just don't appear by mistake? Poor response from Apple on this one. They should be very clear about "how" the bug was fixed.
Click to expand...
When you delete ANYTHING on a computer, going back to the old vintage 1970s UNIX and MS DOS from the 1980s, the data is never actually removed, only the directory index is removed. This is how we can recover lost data.

In fact, you can never remove data from storage, that is impossible. All you can do is overwrite it with something else. The reason for not overwriting the old data is the time it would take. Do you really want to wait for several minutes after you drag an unwanted video file to the trash? Then you would also complain about the writes to the SSD taking away the lifetime write limit on storage, and the drain on the battery and how sluggish the system is until the overwrite process ends.

Not really deleting data has been the norm for as long as I've been actively using computers (the early 1970s) and it was not a new concept then.

If you must, there is software that can overwrite all the newly free storage with zeros to make the recently deleted data unrecoverable.

The bug was that the index was not properly changed, there was never any intent to actualy remove the files and the fix does not actually remove the file.
 
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coolfactor said:
This whole "database corruption" issue that is causing deleted photos to reappear. It's not clear if — these photos are now correctly deleted, or just don't appear by mistake? Poor response from Apple on this one. They should be very clear about "how" the bug was fixed.
Click to expand...
They were very clear but some are attracted to conspiracy theories and refuse to believe anything else. And of course the main conspiracy theory is that Apple keeps your deleted photos on their servers forever. Or that Apple keeps the photos for CSAM purposes forever in case that is revived some day. And even if Apple came out with a detailed white paper explaining everything it wouldn't make a bit of difference. Many here would simply dismiss it and cling to the conspiracy theory that suits their bias.

So what is your conspiracy theory?
 
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ChrisA said:
When you delete ANYTHING on a computer, going back to the old vintage 1970s UNIX and MS DOS from the 1980s, the data is never actually removed, only the directory index is removed. This is how we can recover lost data.

In fact, you can never remove data from storage, that is impossible. All you can do is overwrite it with something else. The reason for not overwriting the old data is the time it would take. Do you really want to wait for several minutes after you drag an unwanted video file to the trash? Then you would also complain about the writes to the SSD taking away the lifetime write limit on storage, and the drain on the battery and how sluggish the system is until the overwrite process ends.

Not really deleting data has been the norm for as long as I've been actively using computers (the early 1970s) and it was not a new concept then.

If you must, there is software that can overwrite all the newly free storage with zeros to make the recently deleted data unrecoverable.

The bug was that the index was not properly changed, there was never any intent to actualy remove the files and the fix does not actually remove the file.
Click to expand...
Great explanation but irrelevant on a tech blog like MacRumors. Some believe whatever they want to about anything and no amount of logical expert explanation will sway them. Thanks for the correct info, though.
 
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Can't imagine any reason to release a new update with the same version and build numbers. What is Apple smoking these days?
 
ChrisA said:
When you delete ANYTHING on a computer, going back to the old vintage 1970s UNIX and MS DOS from the 1980s, the data is never actually removed, only the directory index is removed. This is how we can recover lost data.

In fact, you can never remove data from storage, that is impossible. All you can do is overwrite it with something else. The reason for not overwriting the old data is the time it would take. Do you really want to wait for several minutes after you drag an unwanted video file to the trash? Then you would also complain about the writes to the SSD taking away the lifetime write limit on storage, and the drain on the battery and how sluggish the system is until the overwrite process ends.

Not really deleting data has been the norm for as long as I've been actively using computers (the early 1970s) and it was not a new concept then.

If you must, there is software that can overwrite all the newly free storage with zeros to make the recently deleted data unrecoverable.

The bug was that the index was not properly changed, there was never any intent to actualy remove the files and the fix does not actually remove the file.
Click to expand...
That would indicate a file system corruption. It doubt that this was the case.
 
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ChrisA said:
When you delete ANYTHING on a computer, going back to the old vintage 1970s UNIX and MS DOS from the 1980s, the data is never actually removed, only the directory index is removed. This is how we can recover lost data.

In fact, you can never remove data from storage, that is impossible. All you can do is overwrite it with something else. The reason for not overwriting the old data is the time it would take. Do you really want to wait for several minutes after you drag an unwanted video file to the trash? Then you would also complain about the writes to the SSD taking away the lifetime write limit on storage, and the drain on the battery and how sluggish the system is until the overwrite process ends.

Not really deleting data has been the norm for as long as I've been actively using computers (the early 1970s) and it was not a new concept then.

If you must, there is software that can overwrite all the newly free storage with zeros to make the recently deleted data unrecoverable.

The bug was that the index was not properly changed, there was never any intent to actualy remove the files and the fix does not actually remove the file.
Click to expand...
Yes and no, you’re not wrong but the data should be encrypted with that key deleted as well as the index. Of course, there is 1 key per file system but if the anecdotes of fully wiped and sold devices reappearing information are true (unlikely) that’s a much bigger issue.
 
I just picked up a new iPad 10 yesterday, I feel like every every device I buy has a system update the day after I finish setting it up.
Anyway, still no OTA as of this post, I just updated through macOS, wonder if Apple will push it OTA or it will be a Mac\iTunes only update\restore.
 
My understanding is that memory storage on each iOS device is encrypted with a different hardware key, there should be a way to reset that key so that new data being written is overwriting the old data with the old key or when you reset a device the key is reset and any previous data can no longer be assimilated or restored by accident or intent. :rolleyes:
 
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