Performing a System Update Using ADB
Performing a System Update Using ADB

Performing a System Update Using ADB

Use ADB to perform a system update.
  1. Connect the device to a host computer using the Rugged Charge/USB cable or by inserting the device into the 1-Slot USB/Charge Only Cradle.
  2. Go to
    Settings
    .
  3. Touch
    System
    Advanced
    Developer options
     .
  4. Slide the
    USB debugging
     switch to the
    ON
     position.
  5. If the device and host computer are connected for the first time, the
    Allow USB debugging?
     dialog box with the
    Always allow from this computer
     check box displays. Select the check box, if required.
  6. Touch
    OK
    .
  7. On the host computer, navigate to the
    platform-tools
     folder and open a command prompt window.
  8. Type
    adb devices
    .
    The following displays: 
    List of devices attached          XXXXXXXXXXXXXXX device
    Where XXXXXXXXXXXXXXX is the device number.
    If device number does not appear, ensure that ADB drivers are installed properly.
  9. Type:
    adb reboot recovery
  10. Press
    Enter
    .
    The System Update installs (progress appears as percentage in the Command Prompt window) and then the System Recovery screen appears on the device.
  11. Press
    Volume Up
     and
    Volume Down
     to navigate to
    Apply upgrade from ADB
    .
  12. Press
    Enter
    .
    The System Recovery screen appears on the device.
  13. Press
    Power
    .
  14. On the host computer command prompt window type:
    adb sideload <file>
    where: <file> = the path and filename of the zip file.
  15. Press
    Enter
    .
    The System Update installs (progress appears as percentage in the Command Prompt window) and then the System Recovery screen appears on the device.
  16. Press
    Power
     to reboot the device.
If you are not able to enter Android Recovery mode through the adb command, see Entering Android Recovery Manually.