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  • HTC One Maintenance Release Instructions 6.4.2014
    This software upgrade available for your HTC One provides the following key enhancements:
    ·        HTC Sense 6
    ·        Extreme power saving mode
    For more details about the changes in this software update, please visit
    Details
    Before you proceed, please confirm that this software upgrade to 5.12.502.2 is a newer version than what is currently loaded on your device. If it is the same version, there is no need to reload the software. Navigate to the Home screen then tap All apps > Settings > About > Software Information and locate the Software version. If your Software number is less than 5.12.502.2, you should proceed with the upgrade.
    WARNING: During the upgrade process the device will reboot multiple times and show software upgrade screens. Do not remove the AC charger as this might stop the update and your device may be rendered inoperable!
    Getting Started
    Before you proceed with the update, make sure you have done the following:
    ·        Set aside approximately 20 minutes to allow the device to update
    ·        Connect the device to a charger
    ·        Ensure the battery is charged to at least 35%
    ·        Ensure the device is connected to AT&T 4G/LTE and a stable Wi-Fi network
    Installation instructions
    To manually perform the update, follow these steps below:
    1.    From the Home screen tap All apps, tap Settings.
    2.    Tap AT&T Software Update.
    3.    Tap Check for updates.
    4.    Tap Continue to download the update.
    5.    If downloading the update using the mobile data network (not connected to Wi-Fi), you may be prompted with a data fee warning message. If this is acceptable, tap YES to start the upgrade process.
    6.    Status of the download can be checked in the Notifications pull down.
    7.    Once the download is complete, the user will be prompted to install from the Notifications pull down. Tap the System update to begin the upgrade process.
    8.    Tap OK to begin the update process to software version 5.12.502.2.
    WARNING: During the upgrade process the device will reboot multiple times and show software upgrade screens. Do not remove the AC charger as this might stop the update and your device may be rendered inoperable!
    9.    Device will reboot and begin installation. Users will not be able to use their device during the installation process (approximately 10 minutes).
    10.  The system update is complete. Tap OK to continue.
  • HTC One Maintenance Release Instructions 2.23.2014
    This software upgrade available for your HTC One provides the following key enhancements:
    ·        Android 4.4.2 Kit Kat
    ·        HTC Sense 5.5
    For more details about the changes in this software update, please visit
     
    Details
    Before you proceed, please confirm that this software upgrade to 4.18.502.7 is a newer version than what is currently loaded on your device. If it is the same version, there is no need to reload the software. Navigate to the Home screen then tap All apps > Settings > About > Software Information and locate the Software version. If your Software number is less than 4.18.502.7, you should proceed with the upgrade.
    WARNING: During the upgrade process the device will reboot multiple times and show software upgrade screens. Do not remove the AC charger as this might stop the update and your device may be rendered inoperable!
    Getting Started
    Before you proceed with the update, make sure you have done the following:
    ·        Set aside approximately 20 minutes to allow the device to update
    ·        Connect the device to a charger
    ·        Ensure the battery is charged to at least 35%
    ·        If available, connect to Wi-Fi or 3G/4G LTE to speed up the update download process
    Installation instructions
    To manually perform the update, follow these steps below:
    1.    From the Home screen tap All apps, tap Settings.
    2.    Tap AT&T Software Update.
    3.    Tap Check for updates.
    4.    Tap Continue to download the update.
    5.    If downloading the update using the mobile data network (not connected to Wi-Fi), you may be prompted with a data fee warning message. If this is acceptable, tap YES to start the upgrade process.
    6.    Status of the download can be checked in the Notifications pull down.
    7.    Once the download is complete, the user will be prompted to install from the Notifications pull down. Tap the System update to begin the upgrade process.
    8.    Tap OK to begin the update process to software version 4.18.502.7.
    WARNING: During the upgrade process the device will reboot multiple times and show software upgrade screens. Do not remove the AC charger as this might stop the update and your device may be rendered inoperable!
    9.    Device will reboot and begin installation. Users will not be able to use their device during the installation process (approximately 10 minutes).
    10.  The system update is complete. Tap OK to continue.