{"id":1284,"date":"2026-01-12T15:55:05","date_gmt":"2026-01-12T20:55:05","guid":{"rendered":"https:\/\/www.montclair.edu\/phish-files\/?p=1284"},"modified":"2026-02-06T14:50:58","modified_gmt":"2026-02-06T19:50:58","slug":"action-required-update-duo-mobile","status":"publish","type":"post","link":"https:\/\/www.montclair.edu\/phish-files\/2026\/01\/12\/action-required-update-duo-mobile\/","title":{"rendered":"Action Required: Update the Duo Mobile App by March 31, 2026"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Duo is updating its security certificates on <\/span><strong>March 31, 2026<\/strong><span style=\"font-weight: 400\">. If your <\/span><strong>Duo Mobile app is not up to date<\/strong><span style=\"font-weight: 400\">, Duo will stop working and \u00a0you may not be able to log in to University services that require <\/span><a href=\"https:\/\/www.montclair.edu\/information-technology\/security\/duo-mfa\/\">multi-factor authentication (MFA)<\/a><span style=\"font-weight: 400\">.<\/span><\/p>\n<h2><strong>Who needs to take action<\/strong><\/h2>\n<ul>\n<li><strong>Android<\/strong><span style=\"font-weight: 400\"> users running <\/span><strong>Android 11 or later<\/strong><\/li>\n<li><strong>iPhone\/iPad<\/strong> <span style=\"font-weight: 400\">users running <\/span><strong>iOS 15 or later<\/strong><\/li>\n<\/ul>\n<h2>What you need to do<\/h2>\n<p><span style=\"font-weight: 400\">Check your Duo Mobile app version and update if needed.<\/span><\/p>\n<h3><strong>To check your Duo Mobile version:<\/strong><\/h3>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Open the Duo Mobile app.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Tap the three-line menu (upper-left corner).<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Look at the version number at the bottom of the menu.<\/span>\n<ol>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If your version is <\/span><strong>4.85 or higher<\/strong><span style=\"font-weight: 400\"> \u2192 No action needed<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">If your version is <\/span><strong>below 4.85<\/strong><span style=\"font-weight: 400\"> \u2192 Update required<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<h3>To update Duo Mobile:<\/h3>\n<ol>\n<li style=\"font-weight: 400\">Open the\u00a0<a href=\"https:\/\/apps.apple.com\/us\/app\/duo-mobile\/id422663827\">App Store (iOS)<\/a><span style=\"font-weight: 400\"> or <\/span><strong><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.duosecurity.duomobile&amp;hl=en_US\">Google Play Store (Android)<\/a><\/strong><span style=\"font-weight: 400\">.<\/span><\/li>\n<li style=\"font-weight: 400\">Search for <strong>Duo Mobile<\/strong>.<\/li>\n<li style=\"font-weight: 400\">Tap <strong>Update<\/strong><span style=\"font-weight: 400\"> (If you see <\/span><strong>Open<\/strong>, your app is already up to date).<\/li>\n<\/ol>\n<h3>Older Android devices<\/h3>\n<p><span style=\"font-weight: 400\">If you use an older Android device, Duo provides special versions:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><strong>Android 8 &amp; 9: <a href=\"https:\/\/dl.duosecurity.com\/DuoMobile-4.33.1.apk\">DuoMobile-4.33.1.apk<\/a><\/strong><\/li>\n<li style=\"font-weight: 400\"><strong>Android 10: <a href=\"https:\/\/dl.duosecurity.com\/DuoMobile-4.57.1.apk\">DuoMobile-4.57.1.apk<\/a><\/strong><\/li>\n<\/ul>\n<p>See <strong><a href=\"https:\/\/help.duo.com\/s\/article\/2211\">Duo Knowledge Base article 2211<\/a><\/strong><span style=\"font-weight: 400\"> for instructions on installing these versions.\u00a0<\/span><\/p>\n<p><strong>Important:<\/strong><span style=\"font-weight: 400\"> Duo does not support non-standard Android devices (such as <\/span><a href=\"https:\/\/help.duo.com\/s\/article\/5695\">Huawei devices<\/a><span style=\"font-weight: 400\">) or devices running customized Android versions (e.g., <\/span><a href=\"https:\/\/help.duo.com\/s\/article\/3435?language=en_US\">OxygensOS<\/a><span style=\"font-weight: 400\">).<\/span><\/p>\n<h2>Why we recommend using the Duo Mobile app (Duo Push)<\/h2>\n<p><span style=\"font-weight: 400\">Duo Push through the Duo Mobile app is the most secure and easiest way to approve logins.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><strong>Cryptographically secured<\/strong><span style=\"font-weight: 400\"><strong>:<\/strong> Uses end-to-end encryption between the University and your device, making it extremely difficult to intercept.<\/span><\/li>\n<li style=\"font-weight: 400\"><strong>Free and convenient<\/strong><span style=\"font-weight: 400\"><strong>:<\/strong> No cost for faculty or staff, even when traveling. Duo Push works with Wi-Fi or cellular data, and passcodes are available offline.<\/span><\/li>\n<li style=\"font-weight: 400\"><strong>Context-aware<\/strong><span style=\"font-weight: 400\"><strong>:<\/strong> The app shows the application you are logging into and the geographic location of the login attempt, helping you quickly spot and deny suspicious activity.<\/span><\/li>\n<\/ul>\n<p><strong>Remember<\/strong><span style=\"font-weight: 400\"><strong>:<\/strong> If you receive a Duo Push you do not recognize, deny it immediately and change your password.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Duo is updating its security certificates on March 31, 2026. If your Duo Mobile app is not up to date, Duo will stop working and \u00a0you may not be able to log in to University services that require multi-factor authentication (MFA). Who needs to take action Android users running Android 11 or later iPhone\/iPad users [&hellip;]<\/p>\n","protected":false},"author":349,"featured_media":831,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1284","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/posts\/1284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/users\/349"}],"replies":[{"embeddable":true,"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/comments?post=1284"}],"version-history":[{"count":5,"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/posts\/1284\/revisions"}],"predecessor-version":[{"id":1322,"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/posts\/1284\/revisions\/1322"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/media\/831"}],"wp:attachment":[{"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/media?parent=1284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/categories?post=1284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.montclair.edu\/phish-files\/wp-json\/wp\/v2\/tags?post=1284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}