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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: Ruso


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 a future 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:
Latest Firmware ReleasedFirmware
Firmware Update
with Output On
CSH5008CSH5008UPS_02-7.encUPS 02.7YesNo
SCL1029SCL1029UPS_15-1.encUPS 15.1YesNo
SCL1030SCL1030UPS_15-5.encUPS 15.5NoYes
SCL1036SCL1036UPS_15-5.encUPS 15.5YesYes
SCL1037SCL1037UPS_15-5.encUPS 15.5NoYes
SCL1048SCL1048UPS_16-5.encUPS 16.5YesYes
SCL1049SCL1049UPS_16-5.encUPS 16.5NoYes
SCL1051SCL1051UPS_16-5.encUPS 16.5NoYes
SMC1000SMC1000UPS_10-0.encUPS 10.0NoNo
SMC1005SMC1005UPS_15-1.encUPS 15.1 NoNo
SMC1007SMC1007UPS_15-0.encUPS 15.0NoNo
SMC1018SMC1018UPS_15-5.encUPS 15.5YesYes
SMC1028SMC1028UPS_16-5.encUPS 16.5YesYes
SMC1061SMC1061UPS_02-0.encUPS 02.0YesYes
SMT17SMT17UPS_07-1_Le.encUPS 07.1NoNo
SMT18SMT18UPS_15-0.encUPS 15.0NoNo
SMT20SMTSMX20UPS_15-0.encUPS 15.0NoNo
SMT1015SMT1015UPS_15-5.encUPS 15.5YesYes
SMT1027SMT1027UPS_16-5.encUPS 16.5YesYes
SMT1031SMTSMX1031UPS_15-5.encUPS 15.5YesYes
SMT1039SMT1039UPS_15-1.encUPS 15.1NoYes
SMT1040SMT1040UPS_15-0.encUPS 15.0NoNo
SMT1041SMT1041UPS_15-0.encUPS 15.0NoNo
SMT1050SMTSMX1050UPS_16-5.encUPS 16.5YesYes
SMT1060SMT1060UPS_02-0.encUPS 02.0YesYes
SMTL1026SMTL1026UPS_15-1.encUPS 15.1YesYes
SMTL1047SMTL1047UPS_16-1.encUPS 16.1YesYes
SMX20SMTSMX20UPS_15-0.encUPS 15.0NoNo
SMX23SMX23UPS_15-0.encUPS 15.0NoNo
SMX1003SMX1003UPS_15-0.encUPS 15.0NoNo
SMX1031SMTSMX1031UPS_15-5.encUPS 15.5NoYes
SMX1050SMTSMX1050UPS_16-5.encUPS 16.5NoYes
SRT1001*SRT1001UPS_02-9.encUPS 02.9NoNo
SRT1002SRT1002UPS_15-0.encUPS 15.0NoNo
SRT1010SRT1010UPS_15-5.encUPS 15.5Yes, from UPS 07.9Yes
SRT1013SRT1013UPS_15-0.encUPS 15.0NoNo
SRT1014SRT1014UPS_15-0.encUPS 15.0NoNo
SRT1019SRT1019UPS_15-5.encUPS 15.5Yes, from UPS 07.1Yes
SRT1020SRT1020UPS_15-5.encUPS 15.5YesYes
SRT1021SRT1021UPS_15-5.encUPS 15.5NoYes
SRT1025SRTXU1025UPS_15-5.encUPS 15.5Yes, from UPS 07.3Yes
SRT1043SRTXU1043UPS_16-5.encUPS 16.5Yes, from UPS 16.5Yes
SRT1045SRT1045UPS_16-5.encUPS 16.5NoYes
SRTL1024SRTL1024UPS_15-5.encUPS 15.5Yes, from UPS 00.4Yes
SRTL1034SRTL1034UPS_05-0.encUPS 5.0YesNo
SRTL1035SRTL1035UPS_05-0.encUPS 5.0YesNo
SRTL1046SRTL1046UPS_16-5.encUPS 16.5Yes, from UPS 16.5Yes
XP1016XP1016UPS_15-0.enc UPS 15.0NoNo
XU1017XU1017UPS_15-0.encUPS 15.0Yes, from UPS 01.4No
XU1025SRTXU1025UPS_15-5.encUPS 15.5Yes, from UPS 07.6Yes
XU1033XU1033UPS_15-0.encUPS 15.0Yes, from UPS 00.3No
XU1043SRTXU1043UPS_16-5.encUPS 16.5Yes, from UPS 16.5Yes

  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.
  5. In rare situations, the UPS firmware update may not install automatically after the firmware file was transferred to the UPS. Refer to FAQ000258266 to complete the firmware update.


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 1c9d7da6574b0b4e99ee88a1f60501f5:.
  1. Open Command Prompt.
  2. Change the directory to the folder where the downloaded Smart-UPS_Firmware_Upgrade_Wizard_v4.3.6.zip was saved:
    • This is typically done using he "cd" command
    • For example, if the Smart-UPS_Firmware_Upgrade_Wizard_v4.3.6.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_v4.3.6.zip MD5"
  4. Compare and verify that the displayed hash value corresponds to 1c9d7da6574b0b4e99ee88a1f60501f5.

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