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How do I update the firmware of my CSH, SCL, SMC, SMT, SMTL, SMX, SRT, SRTL, XP and XU series Smart-UPS using the Firmware Upgrade Wizard?

Article available in these languages: Spanisch, Russisch


The Firmware Upgrade Wizard is the most universal and preferred method of updating.

If a previous version of the Firmware Upgrade Wizard or Firmware Images are installed, delete the old version and download the latest revision.

Links to download all necessary files can be found at the end of this document.

IMPORTANT: IT IS NOT RECOMMENDED TO USE LOCAL CONNECTION VIA USB CABLE WITH THE CURRENT VERSION OF THE FIRMWARE UPGRADE WIZARD. It is recommended to use local connection via Serial cable. The serial cable supplied with the UPS must be used. USB support will be re-added to the next version of the Firmware Upgrade Wizard.

Product Line:

Smart-UPS models with the prefixes CSH, SCL, SMC, SMT, SMTL, SMX, SRT, SRTL, XP, and XU

Note: The Firmware Upgrade Wizard does not support the below Smart-UPS devices:
  • Models with the prefixes SRC, SU, SUA, SUM, SURT, SURTA, SURTD
  • SMX750, SMX1000, and SMX1500 with ID 11 and firmware UPS 02.x or lower. These units are 120V devices built prior to date code 1037. The date code is the first 4 numbers in your serial number. For example, serial number AS1036123456 would not be supported.
  • Devices not supported in the current release: SMT750RMJ1U, SMT2200, SMC2200XLI-BR


The system requirements for the Firmware Upgrade Wizard are as follows:
Operating systems: 64-bit Windows 7, 8.1 Pro, Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, Windows Server 2022

To find the current UPS Firmware version via the UPS LCD display:
The Firmware Upgrade Wizard will detect the current version.
Alternately, from the main menu of the UPS LCD screen, select "About" and scroll down to "UPS Firmware".

To find the current UPS Firmware version via Firmware Upgrade Wizard:
Run the Firmware Upgrade Wizard and it will identify the current firmware version before performing the update.

To find the current UPS ID:
Every Smart-UPS has a unique UPS ID. This can be found in the "About" menu on the UPS LCD screen, or in the NMC web interface.
  • Follow the link the video guide on How to locate the UPS ID for APC Smart-UPS
  • The same models of UPS may have different UPS IDs depending on when they were produced.
  • The final firmware version will be determined by the UPS ID and not the Model Number of the UPS.
  • If the UPS ID is not listed in the below table, it does not have an update available.
  • The Firmware Upgrade Wizard will select the correct version for the unit you are updating.
Note: it is not recommended to perform a firmware downgrade to a lower firmware version than the current UPS firmware.

Firmware Files bundled with the current release of Firmware Upgrade Wizard:
UPS IDUPS PrefixLatest Firmware ReleasedFirmware Version After UpdateFirmware Update with Output On Available
5008CSHCSH5008UPS_02-7.encUPS 02.7Yes
1029SCLSCL1029UPS_15-1.encUPS 15.1Yes
1030SCLSCL1030UPS_15-1.encUPS 15.1No
1036SCLSCL1036UPS_15-1.encUPS 15.1Yes
1037SCLSCL1037UPS_15-1.encUPS 15.1No
1000SMCSMC1000UPS_10-0.encUPS 10.0No
1005SMCSMC1005UPS_15-1.encUPS 15.1 No
1007SMCSMC1007UPS_15-0.encUPS 15.0No
1018SMCSMC1018UPS_15-5.encUPS 15.5Yes
1028SMCSMC1028UPS_16-5.encUPS 16.5Yes
1061SMCSMC1061UPS_02-0.encUPS 02.2Yes
17SMTSMT17UPS_07-1_Le.encUPS 07.1No
18SMTSMT18UPS_15-0.encUPS 15.0No
20SMTSMTSMX20UPS_15-0.encUPS 15.0No
1015SMTSMT1015UPS_15-5.encUPS 15.5Yes
1027SMTSMT1027UPS_16-5.encUPS 16.5Yes
1031SMTSMTSMX1031UPS_15-0.encUPS 15.0No
1039SMTSMT1039UPS_15-0.encUPS 15.0No
1040SMTSMT1040UPS_15-0.encUPS 15.0No
1041SMTSMT1041UPS_15-0.encUPS 15.0No
1060SMTSMT1060UPS_02-0.encUPS 02.0Yes
1026SMTLSMTL1026UPS_15-1.encUPS 15.1Yes
20SMXSMTSMX20UPS_15-0.encUPS 15.0No
23SMXSMX23UPS_15-0.encUPS 15.0No
1003SMXSMX1003UPS_15-0.encUPS 15.0No
1031SMXSMTSMX1031UPS_15-0.encUPS 15.0No
1001*SRTSRT1001UPS_02-9.encUPS 02.9No
1002SRTSRT1002UPS_15-0.encUPS 15.0No
1010SRTSRT1010UPS_15-1.encUPS 15.1Yes, from UPS 07.9
1013SRTSRT1013UPS_15-0.encUPS 15.0No
1014SRTSRT1014UPS_15-0.encUPS 15.0No
1019SRTSRT1019UPS_15-1.encUPS 15.1Yes, from UPS 07.1
1020SRTSRT1020UPS_15-0.encUPS 15.0Yes
1021SRTSRT1021UPS_15-0.encUPS 15.0No
1025SRTSRTXU1025UPS_15-1.encUPS 15.1Yes, from UPS 07.3
1024SRTLSRTL1024UPS_15-3.encUPS 15.3Yes, from UPS 00.4
1034SRTLSRTL1034UPS_05-0.encUPS 05.0Yes
1035SRTLSRTL1035UPS_05-0.encUPS 05.0Yes
1016XP1K9NN42RCCXP1016UPS_15-0.enc UPS 15.0No
1017XU1K3LLXXRCCXU1017UPS_15-0.encUPS 15.0Yes, from UPS 01.4
SRTXU1025UPS_15-1.encUPS 15.1Yes, from UPS 07.3
1033XU2K0LLXXRCCXU1033UPS_15-0.encUPS 15.0 Yes, from UPS 0.03

  1. *For SRT UPS models with ID1001, the UPS firmware must be updated twice. First update the UPS firmware using SRT1001UPS_02-9.enc. This will change the UPS ID to 1013. Once the update is completed, perform the firmware update again using SRT1013UPS_15-0.enc
  2. As shown in the above table, in some cases, there are two or more firmware images listed for the same UPS ID. The selection of the appropriate file is taken care by a new feature in Firmware Upgrade Wizard, that shows only the relevant and latest firmware for the connected UPS.
  3. The serial cable that is included with the UPS must be used.
  4. If updating a UPS unit due to a "Needs Firmware Update" or "Battery Sys Error 0800" alarm, the external battery packs MUST be connected when performing the update. If more external battery packs are connected at a later date and the issue returns, the firmware update must be performed again with all battery packs connected. Updating an SRT UPS unit may take up to 20 minutes to complete. The more external battery packs are connected, the longer the update may take.


Download the Firmware Upgrade Wizard compressed zip file as well as the Firmware Upgrade Wizard User Guide attached to this document.

The Firmware Upgrade Wizard compressed zip file contains the self-extracting executable file bundled with all necessary UPS firmware images. Read the Firmware Upgrade Wizard User Guide before performing the update. The User Guide provides a complete step by step walk through of the process including all necessary screenshots. The complete process will take 5-20 minutes, depending on the UPS model.

For any issues encountered during the update process or any additional questions, please contact APC Tech Support .

Note: Verify the hash key of the Firmware Upgrade Wizard compressed zip file after downloading. The current hash value is be2feca872a177f10def11af4544482b.
  1. Open Command Prompt.
  2. Change the directory to the folder where the downloaded Smart-UPS_Firmware_Upgrade_Wizard_v4.3.3.zip was saved:
    • This is typically done using he "cd" command
    • For example, if the Smart-UPS_Firmware_Upgrade_Wizard_v4.3.3.zip file was saved to the Downloads folder, the command may look like: "cd C:\Users\Username\Downloads", or "cd Downloads"
  3. Run the command "certutil -hashfile Smart-UPS_Firmware_Upgrade_Wizard_v4.3.3.zip MD5"
  4. Compare and verify that the displayed hash value corresponds to be2feca872a177f10def11af4544482b.
hash check

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