To improve the quality and performance of its iOS devices, Apple routinely collects diagnostic and usage information from customer’s iPhones and iPads. Diagnostic data includes information about system performance, such as the popular low storage space warning, and other details about your specific device and OS specifications.

End users have the option of sharing this information automatically with Apple, but it can also be turned off. You’ve probably all seen the option during the initial setup of your iOS device to automatically send diagnostic and usage data to Apple.

Inside, we’ll show you where you can go to view your device’s logged diagnostic data, and manage how it is used. We’ll also show you how to completely remove the diagnostic logs from your device.

What the Diagnostics & Usage Data logs contain

Generally speaking, the logs don’t contain any specific app usage data. They may contain information on how the app was used, i.e. why it crashed, but they don’t generally contain specific information about the data used within the app — such as what web sites your visited, or what you typed in your personal diary app *sob*.

The details contained in these logs pertain to hardware and operating system spec, performance stats, and data about how a particular app was used. In other words, the data contained is primarily analytical data that can help Apple research issues and track trends if the need arrises.

Where to find Diagnostic & Usage Data

Finding this data is a bit tricky, because it’s not necessarily where you’d expect it to be. To find your device’s diagnostic data, venture to the following location: Settings > Privacy > Analytics > Analytics Data.

Here, you will find all of the logs that have been generated and collected on your device. You’ll find logs regarding crashes, low memory warnings, etc. It’s pretty interesting stuff. Unfortunately, even on the brand new iPad, you’ll still find a lot of low memory errors when using memory intensive apps.

If you don’t have any logs listed, you can quickly generate a low memory log by opening a bunch of Safari tabs. While switching  between them, you should eventually notice some of them refresh (white screen, and the page reloads). Once you see that, you’ll find a low memory warning logged to your Diagnostic & Usage Data section.

How to delete Diagnostic & Usage Data from your device

Removing the diagnostic data is as easy as syncing your device to iTunes. When syncing your device, it will copy the diagnostic information to iTunes and delete the information from your iOS device. I’ve yet to figure out just where Apple is copying this data to your Mac or PC, but it definitely appears to be removed from the iOS device.

Video How To:

Here’s a quick video that shows exactly how to remove your diagnostic data from your device.

If you rarely sync your device, then the space these logs take up can potentially be significant. Unfortunately, the only way we know how to remove these logs is by performing a sync with iTunes.

How to prevent Apple from receiving your Diagnostic & Usage Data

Apple likes to view the diagnostic logs generated by your device in order to troubleshoot problems, track trends, and provide a better overall user experience. Although none of the data is said to identify you personally, if you don’t feel comfortable letting Apple in on what your device is doing, you can easily disable the Automatic Send option via the Settings app.

To do so, go to Settings > Privacy > Analytics.

Once there, disable the option that says Share iPhone & Watch Analytics (it would simply say Share iPhone Analytics if you don’t have an Apple Watch). This will prevent Apple from receiving any of the daily diagnostic and usage data that your device generates.

How to disable your location in the Diagnostic & Usage Data

Although Apple claims that personal data is not logged or is removed from any reports before they are sent to Cupertino, Apple does use location services to identify the general location of a device. It does so in order to analyze wireless or cellular performance issues when looking at the diagnostic data.

If you don’t mind Apple receiving the crash and error logs from your device, but would rather your location not be included in the logs, you can turn off the Location Services for Diagnostics independently of the data.

To do do, go to Settings > Privacy > Location Services > System Services > and disable the toggle for iPhone Analytics.

Hopefully, this overview of your device’s diagnostic data provides a better look into what the data contains, how it’s used, and how you can personally manage it. If you have any additional questions, observations, or concerns, please feel free to share them in the comment section below.

  • Brett

    You can view (and delete) all of those logs in Console on the Mac.

    • Right. But what about the Diag logs that are copied from iOS?

      • mahe

        on a Windows PC they are copied to:
        %AppData%Apple ComputerLogsCrashReporterMobileDevice[devicename]

      • Brett

        My iOS logs show up in Console. I can’t check right now to see where they’re located in there.

    • Andrew

      It’s logged in either way. There is no option to actually delete anything because the first thing it does is log everything in internally and wirelessly. The new world order was born on September 11, 2001. Privacy has been dead since the beginning. The world is one big business the world is one big LIE!

      • Brett

        I really don’t understand what you mean by this.

      • Andrew

        Because you need to do the research but it’s common sense what’s going on and the soul reason why they build cellphones

      • LF

        Just keep on smiling Brett. You’re a great guy, I’m sure.

  • lanceuppercut47

    Sync’d and there are still a boatload of these logs showing up on my device. Is there a tweak to remove them entirely?

    • No Bush!

      What to do if iTunes sync does not clear your iPad diagnostic log.
      (1) Back up your iPad to iCloud or PC.
      (2) Settings/General/Reset/Erase all content and settings.
      (3) Restore from backup.
      (4) Go to iTunes sign out then sign back in.
      (5) Sync with iTunes via USB cable to PC.

      The diagnostic file(s) should be gone, the files do not get erased if there is a corrupt file within the file system. This process will correct the issue.


      • matt

        the problem i have is these logs stay on both of my devices forever and not just one., so this indicates its an iTunes problem


        You need to go to the directory on your PC where iTunes keeps the log files. Delete them all. Go back to your iPhone/iPad and turn off iCloud wifi updates. Go to iTunes on your PC uncheck the box that says store data in ICloud and change it to store on the PC. Now sync your Pad with iTunes on the PC, when finished the Pad will have no files, they will have been transferred to your PC, you can delete those files as you did prior log files.

      • LF

        Where is the folder? I almost believe they don’t delete them any more.

  • Anonymous

    Hi! There’s a much simpler way of removing iOS diagnostics and usage data. It can be done from the iDevice itself but the device needs to be jailbroken. The name of the tweak is “iCleaner.” It can be downloaded from the BigBoss repo for free 🙂

    • LF

      Sure, get this, do that, get this, and then do this and this; now it’s ready -see , so much easier¡

  • ConduciveMammal

    Can this diagnostic information be used by Apple to find out if the iPhone is jailbroken?

    • Brett

      I would think so, but they couldn’t really do anything about it.


      Apple cares less if you jail break your phone/pad, the only damage you can do is corrupt the iOS system. If that were to happen, and it does, Apple techs will reinstall iOS software for free as long as you own the device providing it is running the current iOS software. I know this because I’ve done it several times. You will lose all saved data, and you will have to set everything up as you did when you first purchased the unit.

  • Bob roberts

    be sure to turn this off before a jb

  • leart

    Itools its a great tool, and you can remove any of this reports in any time, jailbroken or not

  • A long time i search for this….today i got it from this blog……….Useful block of information….thanks

  • No Bush!

    What to do if you iTunes sync does not clear your iPad diagnostic log.
    (1) Back up your iPad to iCloud or PC.
    (2) Settings/General/Reset/Erase all content and settings.
    (3) Restore from backup.
    (4) Go to iTunes sign out then sign back in.
    (5) Sync with iTunes via cable to PC.

    The diagnostic file(s) should be gone, the files do not get erased if there is a corrupt file within the file system. This process will correct the issue.


    • LF

      Thanks for the method, but that’s extreme. I don’t trust that some some other nuisance or loss will happen, and I don’t feel like dealing with more b/s.

      • LF

        -Know your Wi-Fi password
        -Know you Apple I.D. and password
        -Suggest: don’t let computer go to sleep
        -iPhone restarts, updates
        -iTunes can’t connect
        -Goes thru the initial features I don’t use or want; iCloud, Keychain
        -Iphone goes thru “get Started”
        -…continues to re-sync(ronize)
        -Apple sends verification SMS text message
        -Seems to reload app(lications)s; for me: 1 hr., surprised my older version app (that I do not want updated) stayed the same
        -Back to restoring…Must turn off “Find My iPhone”
        -…restore in progress and completed (1hr. and however much data used)
        -DIAGNOSTIC DATA confirmed to be gone. *Claim achieved and appreciated, but not as simple as I presummed (from simliar experience), and wait ’till what’s next…
        -pre-existing text mss’gs restored
        -locally stored iBook PDFs GONE (probably mostly my fault for not having “Sync” enabled, but I’ve already had problems with Apple’s liberalisms and have previously lost ALL my saved PDFs -so I don’t want them touching them!
        -ringtone gone…found in iTunes somehow and restored it (probably because it was purchased).

        So, again thanks, but as a warning to others, as shown above, it’s not nearly that simple nor trustwothy. Proceeding, once again, with holes. Similarly, if you lock your keys in you house (or car), break out the window, and open door. Then replace the window. Note;you might get injured and such going in.

        Apple: I suggest an additional button to delete the logs…it would be a lot easier.

    • LF

      Wanted to back-check if after doing this *reassured* method that they would delete (because of so-called corrupt files). Nope, they did not delete again; a new build-up is forming.

  • Lalo N Sylvia Ayala

    Ok so I am really confused and I am hoping someone can provide me with some answers. I have an iphone 4 and I was reviewing all of the diagnostic and usage data on my device however I don’t understand what any of it is. Do the logs on my device mean that I actually visited any specific websites that are in my logs? Do the logs on my device reflect any type of my activity? Because in the logs it states all kinds of weird websites and states my iPhones info. Like the model of my phone n things? So I guess I just want to know if there is ANYTHING at all in my diagnostics and usage info data that is actually really logs or data in any way connected-to actually anything or any websites or apps I’ve used? I’m so confused.

  • Charlie

    How do I read or parse these files? I’ve been having battery issues and I want to know if any processes are going out of control.

  • Ramit Kapur

    any way to roll back to the carrier update ? cant toggle between 2g,3g,lte even after ios 8.1.

  • Binky

    Piece of crap, won’t sync with Itunes over Windows. Going into the garbage in a few minutes, going to get me a Microsoft Pad and the H with this [email protected]!!!!

  • Antsoup

    Thanks very much for this, it’s exactly what I needed!

  • Andrew

    Wow turn this garbage the off don’t ever use it. It’s bad enough they preprogrammed every cell phone to track your every move.

  • alaskanjackal

    Anyone have any clue when the logs actually get sent to Apple from iTunes for Windows? I’ve synced my phone and then watched my network connection like a hawk and have never seen any upload activity from iTunes or MDCrashReportTool.exe or anything–not immediately after the sync, after waiting awhile with iTunes open, after closing and relaunching iTunes, or any other time.

    I actually do *want* to be uploading my crash logs to help with app debugging (I have a friend who is an app developer and he finds logs useful, so I try to do my part for the developer community), but I can’t find any indication that the logs go anywhere after they are synced to my computer.

  • qaws edrf

    i bought a new iphone 6 in 15/8/2015 , so when i went to setting i found in diagnostic data and usage an old message in date 21/7/2015 ,,,,,can this be happen if its a new phone…????

  • matt

    my iTunes han’t been clearing the logs for years. the only way i know how to clear it is to backup and restore my device. i even found them in console on my mac taking up a ton of space and deleted them, but they stay on the phone forever.

    people tell me to set it up as new , but i don’t wanna

    • LF

      Where is the folder?

  • Antonio Noriega


    Now is in
    Settings > Privacy > Diagnostics & Usage

  • Exzion

    Hi . Some of the logs that I have is named LatestCrash-Whatsapp.ips. But once I click in them, there is nothing in there . Any idea what does this indicates ?

  • MLB

    The screen shot that has a diags long of a string of numbers I feel for

  • james brown

    Creative commentary – Coincidentally , you are looking for a Multi-Family Lease , my business partner filled out and faxed a blank version here

  • LF

    LOL, in the video his voice expresses the joy of it actually working. -like something worked for once. Mine’s not clearing out, and I ain’t happy having to spend anymore time f’g with it.

  • I’m on an older iPad Mini and just did a sync with my iPad and iTunes as described but the log is still there and there’s no way to clear it