{"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-914085178\" 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\">\n\t\t\t\t\t<div class=\"acp-hz__grid\">\n\t\t<div class=\"acp-hz__media\">\n\t\t\t\t\t\t<div class=\"acp-hz__img\">\n\t\t\t\t<img src=\"https:\/\/media.affilinode.com\/media\/proxy\/Mz1-Fs4EwknqdqtRxs2R9Ud_acEllXbf\/aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvMzEtOG94U2V4MEwuX1NMNTAwXy5qcGc\" alt=\"FRITZ! 7530 AX WLAN-Router mit DSL\/VDSL, bis zu 1.800 MBit\/s (5GHz) und 600 MBit\/s (2,4 GHz), WLAN Mesh und DECT-Basis\" width=\"500\" height=\"367\" loading=\"lazy\" decoding=\"async\">\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t<div class=\"acp-hz__info\">\n\t\t\t\t\t\t\t<p class=\"acp-kicker\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"acp-brand\">FRITZ!<\/span>\n\t\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t<h3 class=\"acp-title acp-title--sm\" lang=\"de-DE\">FRITZ! 7530 AX WLAN-Router mit DSL\/VDSL, bis zu 1.800 MBit\/s (5GHz) und 600 MBit\/s (2,4 GHz), WLAN Mesh und DECT-Basis<\/h3>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acp-hz__buy\">\n\t\t\t\t\t\t\t<div class=\"acp-hz__price\">\n\t\t\t\t\t\t\t\t\t\t<p class=\"acp-hz__ship\"><span class=\"acp-deliv\">Gew\u00f6hnlich versandfertig in 4 bis 5 Tagen<\/span><\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<a class=\"acp-btn acp-hz__btn\" href=\"https:\/\/www.amazon.de\/dp\/B0CWPDTN4R?linkCode=ogi&#038;th=1&#038;psc=1&#038;tag=netguide-news-21\" rel=\"sponsored nofollow noopener\" target=\"_blank\" data-acp-kind=\"horizontal\" data-acp-title=\"detailed\"><span>Check current price<\/span><svg class=\"acp-i acp-i--arrow\" viewbox=\"0 0 20 20\" width=\"20\" height=\"20\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M5 10h10m-4-4.5L15.5 10 11 14.5\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" \/><\/svg><\/a>\n\t\t\t\t\t<\/div>\n\t<\/div>\n\t\t\t<div class=\"acp-foot\">\n\t\t\t<div class=\"acp-disc\">\n\t<p class=\"acp-disc__line\">\n\t\t\t\t\t<span class=\"acp-ad\">Ad<\/span>\n\t\t\t\t\t\t\t<span>* Affiliate link: if you buy through this link, we earn a commission at no extra cost to you.<\/span>\n\t\t\t<\/p>\n\t\t\t\t<p class=\"acp-disc__line\">As an Amazon Associate I earn from qualifying purchases.<\/p>\n\t<\/div>\n\t\t<\/div>\n\t<\/article>\n<\/div><div class=\"acp acp--light acp-powered\"><a href=\"https:\/\/affilinode.com\/?utm_source=box&#038;utm_medium=referral\" target=\"_blank\" rel=\"nofollow noopener\">Made with affilinode<span class=\"acp-sr\"> (opens in a new tab)<\/span><\/a><\/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-2346305317\" 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\/ml2u-226-watch-face-fuer-wearos-im-google-play-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\/10\/deal-3-150x150.png\" 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\">ML2U 226 Watch Face f\u00fcr WearOS im Google Play 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\t\t\t\t\t\t\t\t\t<s>1.39 \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\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\/star-citizen-twitch-drops-deko-fuer-den-hangar\/\">\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\/10\/source-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\">Star Citizen Twitch Drops \u2013 Deko f\u00fcr den Hangar<\/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\/moon-knight-digital-watch-face-fuer-wear-os-4\/\">\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\/deal-27-150x150.png\" 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\">MOON KNIGHT Digital Watch Face f\u00fcr Wear OS 4+<\/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>0.89 \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\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\/battlefield-6-code-fuer-spielerkartenhintergrund-und-titel\/\">\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\/10\/battlefield-6-how-to-redeem-codes-asset-code-9-2026_de-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\">Battlefield 6 \u2013 Code f\u00fcr Spielerkartenhintergrund und Titel<\/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\/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<\/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-1738115804\" 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":{"_affilinode_tracking":"","_affilinode_autolink_off":false,"_affilinode_rating":"","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}]}}