International website

WeOS firmware history

Earlier versions of WeOS firmware can be downloaded from the list below. Please notice that from version 4.14.2 and forward, the same firmware file applies to all of the WeOS products. Also note that an older version of WeOS only can be installed on a product that was available at the time of the firmware release.

To download the most recent version of WeOS, please register here.

WeOS version 4.14.2 and forward

File Name Category File Type Description
Firmware, WeOS v4.21.3, Release date 2017-11-03|/-/media/Files/Firmware-history/westermo_fw_weos_v4_21_3.zip|{4CBE5C05-3C84-4E5C-9953-5B6B7D39EF89}|False WeOS history zip
Firmware, WeOS v4.21.2, Release date 2017-10-10|/-/media/Files/Firmware-history/westermo_fw_weos_v4_21_2.zip|{40D9A781-B54F-4D52-8992-7B74F44B552E}|False WeOS history zip
Firmware, WeOS v4.21.1, Release date 2017-08-29|/-/media/Files/Firmware-history/westermo_fw_weos_v4_21_1.zip|{286C69D1-127D-4665-A939-8F88BEB68BBC}|False WeOS history zip
Firmware, WeOS v4.21.0, Release date 2017-05-31|/-/media/Files/Firmware-history/westermo_fw_weos_v4_21_0.zip|{3FFCBC81-685E-49B7-A318-31F53F8D2C2E}|False WeOS history zip
Firmware, WeOS v4.20.0, Release date 2016-12-21|/-/media/Files/Firmware-history/westermo_fw_weos_v4_20_0.zip|{C20FA1C1-3149-47FF-A392-3D115CC6E926}|False WeOS history zip
Firmware, WeOS v4.19.2, Release date 2016-11-10|/-/media/Files/Firmware-history/westermo_fw_weos_v4_19_2.zip|{6E0D1AAD-75F6-48A0-A49C-D95DB4595005}|False WeOS history zip
Firmware, WeOS v4.19.1, Release date 2016-06-30|/-/media/Files/Firmware-history/westermo_fw_weos_v4_19_1.zip|{161EB080-BAB8-40D6-A139-A93CC2E0024A}|False WeOS history zip
Firmware, WeOS v4.18.1, Release date 2016-04-26|/-/media/Files/Firmware-history/westermo_fw_weos_v4_18_1.zip|{23FD4D9A-299D-4694-ABA1-8F96F83D35EC}|False WeOS history zip
Firmware, WeOS v4.18.0, Release date 2015-12-22|/-/media/Files/Firmware-history/westermo_fw_weos_v4_18_0.zip|{01E5ED06-90B3-4111-8875-A4A514765C5D}|False WeOS history zip
Firmware, WeOS v4.17.1, Release date 2015-10-07|/-/media/Files/Firmware-history/westermo_fw_weos_v4_17_1.zip|{D27B1F5E-DEC0-4FFE-B7F8-4AE095489C78}|False WeOS history zip
Firmware, WeOS v4.17.0, Release date 2015-07-01|/-/media/Files/Firmware-history/westermo_fw_weos_v4_17_0.zip|{4406DA58-4825-49FF-9BCC-E3BC238AB2C6}|False WeOS history zip
Firmware, WeOS v4.16.0, Release date 2015-02-11|/-/media/Files/Firmware-history/westermo_fw_weos_v4_16_0.zip|{D0640C70-6242-4D0B-9FBD-C52B8FD03684}|False WeOS history zip
Firmware, WeOS v4.15.3, Release date 2014-07-01|/-/media/Files/Firmware-history/westermo_fw_weos_v4_15_3.zip|{3564518B-C13C-4716-9A18-298D98F1313B}|False WeOS history zip
Firmware, WeOS v4.14.2, Release date 2014-04-11|/-/media/Files/Firmware-history/westermo_fw_weos_v4_14_2.zip|{1D351607-7E10-48FF-AC3A-5A227BA0413B}|False WeOS history zip
Firmware, WeOS v4.22.0, Release date 2017-11-01|/-/media/Files/Firmware-history/westermo_fw_weos_v4_22_0.zip|{0942B3ED-5931-41B4-8EA6-E4F4619C8E03}|False WeOS history zip SHA-256: f67f935ae4c7fb2d09ad901fdd33b0f3e90ed666a1f0c53773ffc043923e6b51
Firmware, WeOS v4.23.0, Release date 2018-04-24|/-/media/Files/Firmware-history/westermo_fw_weos_v4_23_0.zip|{17E1A1B5-A143-4F04-B3A6-75E944D12C5C}|False WeOS history zip SHA-256: a509b1ff223b6caa3a7f81b2b300781b396d3f071cf2a3825b62068cdfad69b3
Firmware, WeOS v4.24.0, Release date 2018-10-10|/-/media/Files/Firmware-history/westermo_fw_weos_v4_24_0.zip|{F4089A79-CBEB-4A1C-9F17-E6BD7D5B7898}|False WeOS history zip SHA-256: 07807bcb9f3d1ec319e62f353ca6c89993c3cd35ca7d5f015ccfedcfed9e31bc
Firmware, WeOS v4.24.1, Release date 2018-12-11|/-/media/Files/Firmware-history/westermo_fw_weos_v4_24_1.zip|{61ABD566-CC9A-460E-98FE-6292B0506E12}|False WeOS history zip SHA-256: a13ed15c6b5fde2eb124f42a0970c5bd242e5650069934edd426a3da5c5e67a4
Firmware, WeOS v4.26.0, Release date 2019-07-12|/-/media/Files/Firmware-history/westermo_fw_weos_v4_26_0.zip|{73B800D2-D475-4625-9C70-9C6AE4B08186}|False WeOS history zip SHA-256: 6a184a6df7ec264aae0ce20c36707f142a9f02e3b9117a6bb08012a81e99358e
Firmware, WeOS v4.25.0, Release date 2019-05-29|/-/media/Files/Firmware-history/westermo_fw_weos_v4_25_0.zip|{DD4DFBCE-B75E-4F3B-A55D-6307B16E24D1}|False WeOS history zip SHA-256: 95a942818f8278b022797429c9605d59d5e2ab2e7f91036510979d7c280bf790

WeOS verson 4.13.4 and earlier

File Name Category File Type Description
Firmware, WeOS Redfox v4.0.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_0_0_redfox.zip|{C8696320-AD40-4372-95D0-2DCA8F8211D1}|False WeOS history zip
Firmware, WeOS Redfox v4.2.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_2_0_redfox.zip|{89DABFEB-0CB9-40CD-95DA-CA665B33290B}|False WeOS history zip
Firmware, WeOS Redfox v4.2.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_2_1_redfox.zip|{476BFE51-651E-4092-A538-19C3816DC8C0}|False WeOS history zip
Firmware, WeOS Lynx v4.3.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_3_0_lynx.zip|{75335786-4F40-4437-8C7C-596583334CBA}|False WeOS history zip
Firmware, WeOS Redfox v4.3.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_3_0_redfox.zip|{016CE03E-FBDA-43F9-BEFD-9692BCFF8E6B}|False WeOS history zip
Firmware, WeOS Wolverine v4.3.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_3_0_wolverine.zip|{89748311-1B66-44CB-BD83-D3C8721575CB}|False WeOS history zip
Firmware, WeOS Lynx v4.4.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_4_0_lynx.zip|{4954A80A-18FC-4FAF-B603-04D55F7F884C}|False WeOS history zip
Firmware, WeOS Redfox v4.4.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_4_0_redfox.zip|{096C94B4-7698-4EE9-9D65-31E25AD1B296}|False WeOS history zip
Firmware, WeOS Wolverine v4.4.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_4_0_wolverine.zip|{A21E8527-2D7A-4446-B11B-02F110965B3F}|False WeOS history zip
Firmware, WeOS Lynx v4.5.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_5_1_lynx.zip|{A5E66363-2E82-4842-B1F1-C1097E44D846}|False WeOS history zip
Firmware, WeOS Redfox v4.5.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_5_1_redfox.zip|{8D90A816-5889-4AEA-8E5E-477D77AD78CA}|False WeOS history zip
Firmware, WeOS Wolverine v4.5.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_5_1_wolverine.zip|{3ED4D364-3216-41F4-A064-A659EE0F8D9C}|False WeOS history zip
Firmware, WeOS Lynx v4.6.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_6_0_lynx.zip|{C9C84142-B99C-46F2-8780-4C67232F568A}|False WeOS history zip
Firmware, WeOS Redfox v4.6.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_6_0_redfox.zip|{E35D8D36-9AB5-41B1-87B6-36FDD72C67D3}|False WeOS history zip
Firmware, WeOS Wolverine v4.6.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_6_0_wolverine.zip|{22B1A252-238E-4A89-A69A-14A189D50504}|False WeOS history zip
Firmware, WeOS Lynx v4.6.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_6_2_lynx.zip|{E0ED201A-CBE0-4868-8FDD-3C93D98EB956}|False WeOS history zip
Firmware, WeOS Redfox v4.6.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_6_2_redfox.zip|{54A9B864-3C9B-413B-805A-031217D8DFA5}|False WeOS history zip
Firmware, WeOS Wolverine v4.6.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_6_2_wolverine.zip|{14F5CA4D-9E67-4A54-A6F9-B6FA9BA34765}|False WeOS history zip
Firmware, WeOS Lynx v4.8.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_0_lynx.zip|{E159C62B-FA9F-488B-A85F-4F6E6AB50359}|False WeOS history zip
Firmware, WeOS Redfox v4.8.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_0_redfox.zip|{5AEC3480-14CA-4794-80AC-8BD5BA240A5D}|False WeOS history zip
Firmware, WeOS Viper v4.8.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_0_viper.zip|{653EA0E8-5BFA-4326-9E0C-572CC019EFB7}|False WeOS history zip
Firmware, WeOS Wolverine v4.8.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_0_wolverine.zip|{B0BDA8AE-BE4B-4591-B562-57022FC74224}|False WeOS history zip
Firmware, WeOS Lynx v4.8.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_1_lynx.zip|{E4F394EC-53E2-4A6C-A86D-0F3BCB5C6336}|False WeOS history zip
Firmware, WeOS Redfox v4.8.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_1_redfox.zip|{3BD83DEA-B56F-49EB-B340-70E869F89C76}|False WeOS history zip
Firmware, WeOS Wolverine v4.8.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_1_wolverine.zip|{65C6A5E6-303B-44D2-8E05-FB02E42189A0}|False WeOS history zip
Firmware, WeOS Lynx v4.8.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_2_lynx.zip|{031FDCB2-11F5-4E83-AE6D-913F7CA7AA31}|False WeOS history zip
Firmware, WeOS Redfox v4.8.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_2_redfox.zip|{5126A67F-2A82-45BD-B4B0-91D282179A9D}|False WeOS history zip
Firmware, WeOS Viper v4.8.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_2_viper.zip|{3D50F33D-F8F2-428A-8D88-BFA405538541}|False WeOS history zip
Firmware, WeOS Wolverine v4.8.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_8_2_wolverine.zip|{AA8766F7-C0EE-4E83-B03C-5D80565B5776}|False WeOS history zip
Firmware, WeOS Lynx v4.9.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_0_lynx.zip|{A468D28F-7AA6-4AC4-B599-180AB2D9E9A0}|False WeOS history zip
Firmware, WeOS Redfox v4.9.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_0_redfox.zip|{1FED0FB1-BE5C-4250-A0C3-F8EF90056F7E}|False WeOS history zip
Firmware, WeOS Viper v4.9.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_0_viper.zip|{89DC9DBD-7B3F-43AF-8816-7E606483F26A}|False WeOS history zip
Firmware, WeOS Wolverine v4.9.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_0_wolverine.zip|{CA155D12-A4A4-4D3B-A7D1-1AB8D3D5F6B5}|False WeOS history zip
Firmware, WeOS Lynx v4.9.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_1_lynx.zip|{5EFD2AF8-F535-4019-A188-2E2153FB7230}|False WeOS history zip
Firmware, WeOS Redfox v4.9.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_1_redfox.zip|{E7B29809-18EB-40A7-B5B4-2A3AFCD0F228}|False WeOS history zip
Firmware, WeOS Viper v4.9.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_1_viper.zip|{A9A2B36F-BAF1-4CC6-835B-B173F7B63B9A}|False WeOS history zip
Firmware, WeOS Wolverine v4.9.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_1_wolverine.zip|{C0838A56-1917-4B41-B975-93382C96C65A}|False WeOS history zip
Firmware, WeOS Lynx v4.9.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_2_lynx.zip|{4649641D-7FE4-41E0-BA40-0C2895AADF71}|False WeOS history zip
Firmware, WeOS Redfox v4.9.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_2_redfox.zip|{C7084C37-01CA-421D-AB3B-BF07EBC8BE88}|False WeOS history zip
Firmware, WeOS Viper v4.9.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_2_viper.zip|{27750D2B-2D39-47C7-81EB-62FDEA11A4DA}|False WeOS history zip
Firmware, WeOS Wolverine v4.9.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_9_2_wolverine.zip|{0697C422-6442-4FC1-B07F-C38DFF47C8C9}|False WeOS history zip
Firmware, WeOS Lynx v4.11.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_0_lynx.zip|{7F6B67FD-1AF6-4E6E-BF4C-CCE98EFDC5BF}|False WeOS history zip
Firmware, WeOS Redfox v4.11.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_0_redfox.zip|{DD63FECC-9B10-4FF2-94A6-749CAB84AD8C}|False WeOS history zip
Firmware, WeOS Viper v4.11.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_0_viper.zip|{8B754D12-34FE-4ACF-A916-F0B003B6E948}|False WeOS history zip
Firmware, WeOS Wolverine v4.11.0|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_0_wolverine.zip|{7413AD8D-EC6B-4CB3-88D1-0AE92672E043}|False WeOS history zip
Firmware, WeOS Lynx v4.11.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_1_lynx.zip|{FD546EBA-28EF-4949-B104-CCB287C1BF28}|False WeOS history zip
Firmware, WeOS Redfox v4.11.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_1_redfox.zip|{1B3C5FC4-FDF6-40B0-ADC7-737144999238}|False WeOS history zip
Firmware, WeOS Viper v4.11.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_1_viper.zip|{DD24328B-49DD-4EAD-BC47-903EDD7AEB2D}|False WeOS history zip
Firmware, WeOS Wolverine v4.11.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_1_wolverine.zip|{7D9A6F1D-EB95-4300-B623-ADF52E291FE7}|False WeOS history zip
Firmware, WeOS Lynx v4.11.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_2_lynx.zip|{8CF15CEB-637E-4155-9ECE-7B081E0D433D}|False WeOS history zip
Firmware, WeOS Redfox v4.11.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_2_redfox.zip|{06228149-DFA1-47BD-AFFA-07EFDE5EEEEC}|False WeOS history zip
Firmware, WeOS Viper v4.11.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_2_viper.zip|{5D0626AD-0EF8-4AF8-8B76-98C02ABD1520}|False WeOS history zip
Firmware, WeOS Wolverine v4.11.2|/-/media/Files/Firmware-history/westermo_fw_weos_v4_11_2_wolverine.zip|{FF821D0E-42C7-42F3-A252-8F06E3CD670F}|False WeOS history zip
Firmware, WeOS Lynx v4.13.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_13_1_lynx.zip|{88137C87-B412-4960-ACD4-30B6D136FA35}|False WeOS history zip
Firmware, WeOS Redfox v4.13.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_13_1_redfox.zip|{616E1D0B-C049-4D0F-A58C-ECDF7EF917D8}|False WeOS history zip
Firmware, WeOS Viper v4.13.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_13_1_viper.zip|{5DA4FA86-9538-452D-B7BC-30E9DC7B5B77}|False WeOS history zip
Firmware, WeOS Wolverine v4.13.1|/-/media/Files/Firmware-history/westermo_fw_weos_v4_13_1_wolverine.zip|{69B0DDDB-6560-44C3-A562-A4525B95264A}|False WeOS history zip
Firmware, WeOS Lynx v4.13.4|/-/media/Files/Firmware-history/westermo_fw_weos_v4_13_4_lynx.zip|{BEA34ECE-97DC-4C65-8124-DD8A60F938AA}|False WeOS history zip
Firmware, WeOS Redfox v4.13.4|/-/media/Files/Firmware-history/westermo_fw_weos_v4_13_4_redfox.zip|{2568A84E-55AA-4D21-B51C-379A482843F5}|False WeOS history zip
Firmware, WeOS Viper v4.13.4|/-/media/Files/Firmware-history/westermo_fw_weos_v4_13_4_viper.zip|{75488E4F-3B72-407D-8AC3-AABF48E6800F}|False WeOS history zip
Firmware, WeOS Wolverine v4.13.4|/-/media/Files/Firmware-history/westermo_fw_weos_v4_13_4_wolverine.zip|{ECD9F97F-4A91-427A-BE28-17931CF78477}|False WeOS history zip

Dakota Diehl

Tech Support, Westermo North America

Ask me about WeOS firmware history

Please enter a message

Please enter a valid email

Please enter a valid phone number

Contact Details

Please enter your email to download the file


Thank you! An email is on its way to your inbox.

Something went wrong! Please try again later.