To upgrade firmware:

  1. Power on the FieldFox
  2. To view the current installed firmware in FieldFox
    • Press System (7), press Service Diagnostics, press System Information
  3. The Current Version tab at the bottom of this page provides a link to download the latest firmware
  4. Follow the appropriate Update Instructions: Updating within A.09.xx

Back up all user state files before performing firmware update

For more information and guidance on which upgrade is right for you refer to the Upgrade BrochureNOTE: Firmware upgrades do not affect the measurement accuracy of a FieldFox instrument. An annual calibration of a FieldFox remains valid following a firmware upgrade. 

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
2025-05-12 A.13.30 See Release notes for details. LXI (web) support is not available with firmware version A.13.30.
Release Date Version
2025-05-12 A.13.30
Version Description
See Release notes for details. LXI (web) support is not available with firmware version A.13.30.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Hash values are provided for validating the download.  After downloading the .zip file and extracting the FFox_A.13.30.ffp file, you can use the certutil.exe Windows utility to check the hash values.  For example:  certutil.exe -hashfile FFox_A.13.30.ffp md5

The Hash values are as follows:

SHA256:  ecf824c51dfa5e747781f15e0d43fa1664ee4dd96f6c2b8b01712c9412cc5ea9

SHA1:   7dad15258a1a7a1e0cdd489ee9bf410cafdb7fb1

MD5:    b94f4e6646d840051ea4efa6668dbb07

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Hash values are provided for validating the download.  After downloading the .zip file and extracting the FFox_A.13.28.ffp file, you can use the certutil.exe Windows utility to check the hash values.  For example:  certutil.exe -hashfile FFox_A.13.28.ffp md5

The Hash values are as follows:

SHA256: 4beccf5c3c4649008c5642f76aa114e5e3211687e33032bebbc2eb1c452f4731

SHA1:   7f8690951f9d14bd4215e33e2ae3862e7a61fcc1

MD5:    f7395324d1b4b018b4c8e9f6a5bb304d

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Hash values are provided for validating the download.  After downloading the .zip file and extracting the FFox_A.13.28.ffp file, you can use the certutil.exe Windows utility to check the hash values.  For example:  certutil.exe -hashfile FFox_A.13.28.ffp md5

The Hash values are as follows:

SHA256: a7a17fb54e758f3f947794d031696cbf9076c74fe09bd5873ffee905982c5b6d

SHA1:   fed2ee2628f56fafc97a5ca8d09c3a05939d9a3b

MD5:    e4ce4d7431090874fb6c4dd6f4f25c81

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Hash values are provided for validating the download.  After downloading the .zip file and extracting the FFox_A.13.27.ffp file, you can use the certutil.exe Windows utility to check the hash values.  For example:  certutil.exe -hashfile FFox_A.13.27.ffp md5

The hash values are as follows:
SHA256: 1a4b24440a03c77d92d9b057b31737bfe149f51ee9e98ffef6fe94d6878f214f

 

SHA1:   a2bda94e3cbd6e71c0390b02bf9db095930d8a69
MD5:    e27f1c845970ba8f2bafcf4d3e812763

 

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Hash values are provided for validating the download.  After downloading the .zip file and extracting the FFox_A.13.26.ffp file, you can use the certutil.exe Windows utility to check the hash values.  For example:  certutil.exe -hashfile FFox_A.13.26.ffp md5

The hash values are as follows:
SHA256: fe3421c29dbb21edb6402d7e541cc90a0bd03ea648e5683eefe853b8dd834e13
SHA1:   14aef24b68efaa54ef15ce6e67a2741370bb2a7a
MD5:    f0fbc8a54188ec3ac2b146912c313fcb

 

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Hash values are provided for validating the download.  After downloading the .zip file and extracting the FFox_A.13.25.ffp file, you can use the certutil.exe Windows utility to check the hash values.  For example:  certutil.exe -hashfile FFox_A.13.25.ffp md5

The hash values are as follows:
SHA256:  45be87ce47be02304b2537efcb556787d4a8710c8cc884d220cf5283cdaa9a1c
SHA1: 7c6bf23618a49e7dd2d5882fab4dcd4a45dfe896
md5:  cf311a702ea535667c340832f3a28b4c

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA, N991xB, N993xxB, N995xB, N996xB, N991xC, N993xC analyzers with CPU2.

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See Firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware Update Instructions for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, B Models N995xA, N996xA analyzers with CPU2

How to Download

  • Click the download button, select file and save.

How to Install

  • NOTE! Please backup all user state files to computer or USB flash drive before updating to latest firmware revision.

  • See firmware update supporting documentation for installation process.

Licensing

  • Does Not Require a License

Installs on: Instrument

Prerequisites

  • Information Not Available

Supported Instruments

  • N991xA, N992xA, N993xA, N995xA, N996xA analyzers with CPU2
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