{"id":1098,"date":"2026-05-27T11:05:00","date_gmt":"2026-05-27T09:05:00","guid":{"rendered":"https:\/\/www.floutel.com\/blog\/fiber-slow-diagnosis-solutions\/"},"modified":"2026-07-05T19:36:46","modified_gmt":"2026-07-05T17:36:46","slug":"fiber-slow-diagnosis-solutions","status":"publish","type":"post","link":"https:\/\/www.floutel.com\/en\/blog\/fiber-slow-diagnosis-solutions\/","title":{"rendered":"My Fiber Is Slow: Step-by-Step Diagnosis and Solutions"},"content":{"rendered":"<p>Is your fiber running slow? The most common cause isn&#8217;t the connection itself, but the Wi-Fi, an overloaded device or a loose cable. With a few simple checks you can find the problem in minutes and get back your full <a href=\"https:\/\/www.floutel.com\/en\/fiber\/\">Floutel symmetrical fiber<\/a> speed. We&#8217;ll walk you through it step by step, no technical jargon.<\/p>\n<h2>Before you start: is it a general problem or just one device?<\/h2>\n<p>The first step is figuring out where the bottleneck is. If only one device is slow, the problem is almost always with that device or its Wi-Fi connection. If everything is slow at once, it&#8217;s worth checking the router and the installation. Ask yourself:<\/p>\n<ul>\n<li><strong>Is it slow on every device<\/strong> or just one?<\/li>\n<li>Does it happen on Wi-Fi <strong>and also over cable<\/strong>, or only wirelessly?<\/li>\n<li>Does it happen all the time or <strong>only at certain times<\/strong> of day?<\/li>\n<li>Did it start after moving the router, installing something, or a storm?<\/li>\n<\/ul>\n<p>These answers will help you go straight to the right solution in the steps below.<\/p>\n<h2>Step-by-step diagnosis<\/h2>\n<p>Follow this order. Most issues get resolved in the first three steps:<\/p>\n<ul>\n<li><strong>1. Restart the router.<\/strong> Switch it off, wait 30 seconds and turn it back on. Give it a couple of minutes to stabilize before testing again.<\/li>\n<li><strong>2. Check the lights.<\/strong> Make sure the fiber or internet light is steady, usually green, and not flashing or red.<\/li>\n<li><strong>3. Connect a device by cable.<\/strong> Plug a laptop into the router with a network cable and measure the speed. This rules out whether the problem is with the Wi-Fi.<\/li>\n<li><strong>4. Move closer to the router.<\/strong> If the wired connection is fine but Wi-Fi isn&#8217;t, the problem is wireless coverage.<\/li>\n<li><strong>5. Turn off what you&#8217;re not using.<\/strong> Downloads, cloud backups or background updates use a lot of bandwidth without you noticing.<\/li>\n<\/ul>\n<h2>Solutions by cause<\/h2>\n<h3>Wi-Fi signal is weak or drops out<\/h3>\n<p>Wi-Fi loses strength with distance and obstacles. Your router includes Wi-Fi 6, which offers more speed and better performance with several devices at once, but placement still matters:<\/p>\n<ul>\n<li>Place the router in a <strong>central, elevated<\/strong> spot, not inside a cabinet or on the floor.<\/li>\n<li>Keep it away from microwaves, cordless phone bases and other electrical appliances.<\/li>\n<li>Use the <strong>5 GHz band<\/strong> when you&#8217;re nearby: it&#8217;s faster. Save 2.4 GHz for longer distances.<\/li>\n<li>If you have a large home or several floors, consider a repeater or mesh system.<\/li>\n<\/ul>\n<h3>Too many devices connected at once<\/h3>\n<p>Every phone, TV, console or camera shares the connection. Even though your fiber is symmetrical, if several devices are downloading or streaming 4K video at the same time, you&#8217;ll notice the load. Prioritize what matters and pause large downloads while you work or game.<\/p>\n<h3>Wired speed is also low<\/h3>\n<p>If you&#8217;re still getting low speeds over cable, go back to basics:<\/p>\n<ul>\n<li>Replace the <strong>network cable<\/strong> with one in good condition, category 5e or higher.<\/li>\n<li>Make sure the fiber cable isn&#8217;t <strong>bent or pinched<\/strong> behind a piece of furniture.<\/li>\n<li>Check that no connector is loose on the router or the fiber wall socket.<\/li>\n<\/ul>\n<p>If everything checks out and the speed is still low across all devices, it&#8217;s time to let us know.<\/p>\n<h3>The device itself is overloaded<\/h3>\n<p>Sometimes the fiber is working perfectly and it&#8217;s the device itself that&#8217;s slow. A phone or computer with too many tabs open, little free memory, or an outdated system takes longer to load, and it&#8217;s easy to mistake this for a connection problem. Before assuming it&#8217;s the fiber&#8217;s fault, restart the device, close what you&#8217;re not using, and check whether it&#8217;s just as slow on another device at home.<\/p>\n<h2>Tips to keep your fiber running fast<\/h2>\n<p>A few simple habits will prevent most speed drops and help you get the most out of your symmetrical fiber:<\/p>\n<ul>\n<li>Restart the router every now and then: it helps it run smoothly.<\/li>\n<li>Keep your router&#8217;s and devices&#8217; firmware <strong>updated<\/strong>.<\/li>\n<li>Protect your Wi-Fi with a strong password so no one else uses your connection.<\/li>\n<li>Split the devices that use the most data between the 2.4 and 5 GHz bands.<\/li>\n<li>Connect anything fixed, like the TV or your remote-work computer, by cable.<\/li>\n<\/ul>\n<h2>How to measure your speed properly<\/h2>\n<p>A poor measurement causes more confusion than help. For a reliable result:<\/p>\n<ul>\n<li>Test <strong>over cable<\/strong> whenever you can; Wi-Fi never gives you the real maximum.<\/li>\n<li>Close apps, downloads and videos before starting the test.<\/li>\n<li>Use a well-known tool and repeat the test <strong>two or three times<\/strong> to get an average.<\/li>\n<li>Remember your speed is <strong>symmetrical<\/strong>: you should see similar download and upload figures.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Wi-Fi band<\/th>\n<th>Speed<\/th>\n<th>Range<\/th>\n<th>Best for<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2.4 GHz<\/td>\n<td>Lower<\/td>\n<td>Longer<\/td>\n<td>Distant rooms and smart home devices<\/td>\n<\/tr>\n<tr>\n<td>5 GHz<\/td>\n<td>Higher<\/td>\n<td>Shorter<\/td>\n<td>Streaming, gaming and remote work near the router<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>If none of this works<\/h2>\n<p>If you&#8217;ve followed all the steps and your fiber is still slow across every device, it could be a line issue. Don&#8217;t worry: our team can check your connection remotely and, if needed, schedule a visit. Before calling, be clear on whether the problem is general or occasional, and which lights are on on the router; it will help us solve it faster.<\/p>\n<p>You can check more common questions in our <a href=\"https:\/\/www.floutel.com\/en\/faqs\/\">FAQs<\/a> or find out more about your connection on our <a href=\"https:\/\/www.floutel.com\/en\/fiber\/\">fiber<\/a> page.<\/p>\n<h2>Shall we talk?<\/h2>\n<p>At Floutel we&#8217;re based in Manresa and we like to sort things out by talking plainly. If your fiber isn&#8217;t performing as it should, call us on <strong>900 525 523<\/strong> and we&#8217;ll look into it together, step by step. We&#8217;re here to help.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If your fiber is running slow, the problem is usually the Wi-Fi, a device, or a cable. We show you how to find it and fix it step by step.<\/p>\n","protected":false},"author":3,"featured_media":1148,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[54],"tags":[],"class_list":["post-1098","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/posts\/1098","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/comments?post=1098"}],"version-history":[{"count":1,"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/posts\/1098\/revisions"}],"predecessor-version":[{"id":1179,"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/posts\/1098\/revisions\/1179"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/media\/1148"}],"wp:attachment":[{"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/media?parent=1098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/categories?post=1098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.floutel.com\/en\/wp-json\/wp\/v2\/tags?post=1098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}