{"id":132,"date":"2025-08-10T12:22:39","date_gmt":"2025-08-10T09:22:39","guid":{"rendered":"http:\/\/192.168.40.2\/?p=132"},"modified":"2025-08-10T12:22:39","modified_gmt":"2025-08-10T09:22:39","slug":"how-to-downgrade-unifi-controller","status":"publish","type":"post","link":"https:\/\/allogman.com\/?p=132","title":{"rendered":"How to Downgrade Unifi Controller"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>Download the desired application update from\u00a0<a href=\"http:\/\/community.ui.com\/releases\" target=\"_blank\" rel=\"noreferrer noopener\">community.ui.com\/releases<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/help.ui.com\/hc\/en-us\/articles\/204909374#h_01F8E793TSW2K32M594KEBMWEA\" target=\"_blank\" rel=\"noreferrer noopener\">SSH<\/a>\u00a0into your device.<\/li>\n\n\n\n<li>Run the following command\u00a0:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">unifi-os shell\n<\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Remove previously installed files:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">rm \/tmp\/unifi_sysvinit_all.deb &amp;&gt; \/dev\/null\n<\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Store the new application version on your device using the download link:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">curl -o \"\/tmp\/unifi_sysvinit_all.deb\" &lt;network application link.deb&gt;\n<\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li><em>Example:<\/em><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">curl -o \"\/tmp\/unifi_sysvinit_all.deb\" https:\/\/dl.ui.com\/unifi\/6.2.26-a79cb15f05\/unifi_sysvinit_all.deb\n<\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Once downloaded, install the new version:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">apt-get install -y \/tmp\/unifi_sysvinit_all.deb\n<\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Following installation, remove the downloaded file:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">rm \/tmp\/unifi_sysvinit_all.deb<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>unifi-os shell rm \/tmp\/unifi_sysvinit_all.deb &amp;&gt; \/dev\/null curl -o &#8220;\/tmp\/unifi_sysvinit_all.deb&#8221; &lt;network application link.deb&gt; curl -o &#8220;\/tmp\/unifi_sysvinit_all.deb&#8221; https:\/\/dl.ui.com\/unifi\/6.2.26-a79cb15f05\/unifi_sysvinit_all.deb apt-get install -y \/tmp\/unifi_sysvinit_all.deb rm \/tmp\/unifi_sysvinit_all.deb<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-132","post","type-post","status-publish","format-standard","hentry","category-network-infrastructure"],"_links":{"self":[{"href":"https:\/\/allogman.com\/index.php?rest_route=\/wp\/v2\/posts\/132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/allogman.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/allogman.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/allogman.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/allogman.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=132"}],"version-history":[{"count":1,"href":"https:\/\/allogman.com\/index.php?rest_route=\/wp\/v2\/posts\/132\/revisions"}],"predecessor-version":[{"id":133,"href":"https:\/\/allogman.com\/index.php?rest_route=\/wp\/v2\/posts\/132\/revisions\/133"}],"wp:attachment":[{"href":"https:\/\/allogman.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/allogman.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/allogman.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}