Keysight recommends using the most current version, which includes the most up-to-date bug fixes and security patches available.
Release Date Version Version Description
2026-01-08 1.1.19_1.0.1_1.25 Firmware revision 1.1.19_1.0.1_1.25 for models E36154A and E36155A
Release Date Version
2026-01-08 1.1.19_1.0.1_1.25
Version Description
Firmware revision 1.1.19_1.0.1_1.25 for models E36154A and E36155A

How to Download

  1. Click the Download button.
  2. Save the file to your computer and note the directory where the file is saved. A firmware update installed over the USB interface is a file with a .dfu extension.
  3. Unzip the file to access the .dfu file.

How to Install

  1. Refer to E36150 Series Firmware Update Instructions.
    It is not necessary to recalibrate the instrument following a firmware update.

Licensing

  • Does Not Require a License

Add-On Software / Utilities

Installs on: Instrument

Operating System

  • Windows XP
  • Windows 7
  • Windows 8
  • Windows 10
  • Windows 11

Prerequisites

  • Basic Firmware Update Utility

Supported Instruments

  • E36154A, E36155A

How to Download

  1. Click the Download button.
  2. Save the file to your computer and note the directory where the file is saved. A firmware update installed over the USB interface is a file with a .dfu extension.
  3. Unzip the file to access the .dfu file.

How to Install

  1. Refer to E36150 Series Firmware Update Instructions.
    It is not necessary to recalibrate the instrument following a firmware update.

Licensing

  • Does Not Require a License

Add-On Software / Utilities

Installs on: Instrument

Operating System

  • Windows XP
  • Windows 7
  • Windows 8
  • Windows 10
  • Windows 11

Prerequisites

  • Basic Firmware Update Utility

Supported Instruments

  • E36154A, E36155A

How to Download

  1. Click the Download button.
  2. Save the file to your computer and note the directory where the file is saved. A firmware update installed over the USB interface is a file with a .dfu extension.
  3. Unzip the file to access the .dfu file.

How to Install

  1. Refer to E36150 Series Firmware Update Instructions.
    It is not necessary to recalibrate the instrument following a firmware update.

Licensing

  • Does Not Require a License

Add-On Software / Utilities

Installs on: Instrument

Operating System

  • Windows XP
  • Windows 7
  • Windows 8
  • Windows 10
  • Windows 11

Prerequisites

  • E36150 Firmware Utility

Supported Instruments

  • E36154A, E36155A

How to Download

  1. Click the Download button.
  2. Save the file to your computer and note the directory where the file is saved. A firmware update installed over the USB interface is a file with a .dfu extension.
  3. Unzip the file to access the .dfu file.

How to Install

  1. Refer to E36150 Series Firmware Update Instructions.
    It is not necessary to recalibrate the instrument following a firmware update.

Licensing

  • Does Not Require a License

Add-On Software / Utilities

Installs on: Instrument

Operating System

  • Windows XP
  • Windows 7
  • Windows 8
  • Windows 10
  • Windows 11

Prerequisites

  • E36150 Firmware Utility

Supported Instruments

  • E36154A, E36155A
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