Capture a Sysdiagnose from an iOS Device

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Updated:September 2, 2025
Document ID:224720

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    Introduction

    This document describes the step-by-step instructions on how to run a special sysdiagnose on an iOS device. An Umbrella Support technician can ask you to do this in order to troubleshoot issues on iOS.

    1. Activate Sysdiagnose

    On your iOS device, hold down the Volume Up, Volume Down, and Power button at the same time for about 1.25 seconds. When the sysdiagnose starts, a small vibration occurs (except on iPads).

    caution-icon

    Caution: On some iOS devices, continuing to hold this combination for much longer begins a countdown to activate the SOS emergency service call feature. If the SOS icon is replaced with a countdown timer, simply release the buttons. You have already held them long enough to activate the sysdiagnose.

    IOS run sysdiagnoseScreen_Shot_2021-06-09_at_4.44.21_PM.png

    2. Reproduce the Problem/Run as Normal

    After the sysdiagnose starts, run the device as usual or as you did when you noticed the issue occurring.

    3. Navigate to Analytics

    Navigate to Settings > Privacy > Analytics & Improvements.

    IOS settings - privacyScreen_Shot_2021-06-09_at_5.05.27_PM.png

    IOS settings - analytics and improvementsScreen_Shot_2021-06-09_at_5.06.01_PM.png

    4. Open Analytics Data

    Select Analytics Data.

    IOS settings - analytic dataScreen_Shot_2021-06-09_at_5.06.57_PM.png

    5. Find and Select Sysdiagnose File

    This presents you with a large list of files. Scroll down until you see a file that starts with sysdiagnose_ and the date. If there are more than one, select the most recent one.

    IOS sysdiagnose data fileScreen_Shot_2021-06-09_at_5.08.06_PM.png

    6. Share the File to Get It Back to Your Device

    Click the share icon in the top right corner. This opens the share controls dialog.

    IOS share iconScreen_Shot_2021-06-09_at_5.09.07_PM.png

    From here, you can get the files to your system in whatever way works best for you. The file is usually very large and therefore is too large for email. Airdrop is the most convenient way to handle the large files.

    IOS share optionsScreen_Shot_2021-06-09_at_5.09.42_PM.png

    7. Upload the Files to Umbrella

    After the file is on your computer, upload it to the link the Umbrella Support tech has provided.

    Revision History

    Revision Publish Date Comments
    1.0
    02-Sep-2025
    Initial Release
    TAC Authored

    Contributed by Cisco Engineers

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