{"id":3530,"date":"2026-09-18T13:48:52","date_gmt":"2026-09-18T13:48:52","guid":{"rendered":"https:\/\/netguide.io\/news\/2026\/09\/18\/fritzlabor-new-test-builds-for-fritzbox-7530-ax-4050-and-repeaters\/"},"modified":"2026-09-18T13:48:54","modified_gmt":"2026-09-18T13:48:54","slug":"fritzlabor-new-test-builds-for-fritzbox-7530-ax-4050-and-repeaters","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/en\/2026\/09\/18\/fritzlabor-new-test-builds-for-fritzbox-7530-ax-4050-and-repeaters\/","title":{"rendered":"FRITZ!Labor: New Test Builds for FRITZ!Box 7530 AX, 4050, and Repeaters"},"content":{"rendered":"<div id=\"netgu-2156458786\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p>FRITZ! has released a new batch of test versions. These Labor builds are based on the 8.40 development branch and are designed to pave the way for the upcoming FRITZ!OS 8.50. The supported devices include the FRITZ!Box 7530 AX, the FRITZ!Box 4050 model, and repeaters.<\/p>\n<div class=\"acp acp--light acp-t-product-horizontal\"><article class=\"acp-card acp-hz is-unavailable\">\r\n\t\t\t\t\t<div class=\"acp-hz__grid\">\r\n\t\t<div class=\"acp-hz__media\">\r\n\t\t\t\t\t\t<div class=\"acp-hz__img\">\r\n\t\t\t\t<img src=\"https:\/\/ac.api.valitype.io\/media\/proxy\/Mz1-Fs4EwknqdqtRxs2R9Ud_acEllXbf\/aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvMzEtOG94U2V4MEwuX1NMNTAwXy5qcGc\" alt=\"AVM Fritz!Box 7530 AX WI-FI 6 Router (DSL\/VDSL,1.800 MBit\/s (5GHz)&amp;600 MBit\/s (2,4 GHz),bis zu 300 MBit\/s mit VDSL-Supervectoring 35b,WLAN Mesh, DECT-Basis, geeignet f\u00fcr \u00d6sterreich\" width=\"500\" height=\"367\" loading=\"lazy\" decoding=\"async\">\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__info\">\r\n\t\t\t\t\t\t\t<p class=\"acp-kicker\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"acp-brand\">FRITZ!<\/span>\r\n\t\t\t\t\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t<h3 class=\"acp-title acp-title--sm\">AVM Fritz!Box 7530 AX WI-FI 6 Router (DSL\/VDSL,1.800 MBit\/s (5GHz)&amp;600 MBit\/s (2,4 GHz),bis zu 300 MBit\/s mit VDSL-Supervectoring 35b,WLAN Mesh, DECT-Basis, geeignet f\u00fcr \u00d6sterreich<\/h3>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__buy\">\r\n\t\t\t\t\t\t\t<div class=\"acp-status\">\r\n\t<p class=\"acp-status__label\"><svg class=\"acp-i acp-i--info\" viewBox=\"0 0 20 20\" width=\"20\" height=\"20\" aria-hidden=\"true\" focusable=\"false\"><circle cx=\"10\" cy=\"10\" r=\"8\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\/><path d=\"M10 9v5\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\"\/><circle cx=\"10\" cy=\"6.3\" r=\"1.1\" fill=\"currentColor\"\/><\/svg><span>Currently unavailable<\/span><\/p>\r\n\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t<\/div>\r\n\t\t\t<div class=\"acp-foot\">\r\n\t\t\t\t\t<\/div>\r\n\t<\/article>\r\n<\/div>\n\n<h2>Development Branch 8.40 as a Step Toward FRITZ!OS 8.50<\/h2>\n<p>The test versions based on branch 8.40 are aimed at the FRITZ!Box 7530 AX, the FRITZ!Box 4050, and repeaters. They serve as preparation for the upcoming FRITZ!OS 8.50.<\/p><div id=\"netgu-2135343651\" class=\"netgu-content netgu-entity-placement\"><aside class=\"deals-top deals-top--compact\">\n\n\t\t\t<h3 class=\"deals-top__title\">Top-Deals<\/h3>\n\t\n\t\t\t<ul class=\"deals-top__list\">\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/ugreen-aluminium-tabletstaender-360-drehbar-hoehenverstellbar\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/2825012_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">UGREEN Aluminium Tabletst\u00e4nder | 360\u00b0 Drehbar &amp; H\u00f6henverstellbar<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">16.91 \u20ac<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>20.37 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-17%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature is-hot\">\n\t\t\t\t\t\t\t109\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/train-sim-world-7-starter-pack-kostenlos-fuer-ps4-ps5-xbox-pc\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/capsule_616x353-11-150x150.jpg\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Train Sim World 7: Starter Pack kostenlos f\u00fcr PS4, PS5, Xbox, PC<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t55\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/kostenlose-emote-im-clash-royale-store\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/share-image-clashroyale-150x150.jpg\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Kostenlose Emote im Clash Royale-Store<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/gratis-forschungssuppe-im-clash-of-clans-store\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/2839474_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Gratis Forschungssuppe im Clash of Clans-Store<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/the-clockwork-scarab-stoker-and-holmes-book-1-kindle-edition\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/4982769_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">The Clockwork Scarab (Stoker and Holmes Book 1) \u2013 Kindle Edition<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>0.01 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-100%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<p class=\"deals-top__more\">\n\t\t\t\t<a href=\"https:\/\/netguide.io\/deals\/\">Alle Deals ansehen \u2192<\/a>\n\t\t\t<\/p>\n\t\t\t<\/aside>\n<\/div>\n<p><em>Sources: <a href=\"https:\/\/stadt-bremerhaven.de\/fritz-labor-neue-testversionen-fuer-fritzbox-7530-ax-4050-und-repeater\/\" rel=\"nofollow noopener\" target=\"_blank\">Stadt-Bremerhaven<\/a><\/em><\/p><div id=\"netgu-2036182074\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>FRITZ! is rolling out new test builds based on the 8.40 development branch, paving the way for the upcoming FRITZ!OS 8.50.<\/p>\n","protected":false},"author":1,"featured_media":3527,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1704],"tags":[2824,1809,2826,2828,2827,2832],"class_list":["post-3530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-netzwerk-en","tag-avm-en","tag-firmware-en","tag-fritzbox-en","tag-fritzlabor-en","tag-fritzos-en","tag-wi-fi"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/comments?post=3530"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3530\/revisions"}],"predecessor-version":[{"id":3531,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3530\/revisions\/3531"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media\/3527"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media?parent=3530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=3530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=3530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}