{"id":44126,"date":"2025-12-05T12:38:43","date_gmt":"2025-12-05T12:38:43","guid":{"rendered":"https:\/\/www.ispreview.co.uk\/?p=44126"},"modified":"2025-12-05T14:16:14","modified_gmt":"2025-12-05T14:16:14","slug":"three-uk-finally-switch-off-remaining-3g-mobile-sites-as-4g-and-5g-boosted","status":"publish","type":"post","link":"https:\/\/www.ispreview.co.uk\/index.php\/2025\/12\/three-uk-finally-switch-off-remaining-3g-mobile-sites-as-4g-and-5g-boosted.html","title":{"rendered":"Three UK Finally Switch Off Remaining 3G Mobile Sites as 4G and 5G Boosted"},"content":{"rendered":"<p>Mobile operator <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/threeuk\" rel=\"nofollow\" target=\"_blank\">Three UK<\/a> (VodafoneThree), which at the start of 2025 confirmed (<a href=\"https:\/\/www.ispreview.co.uk\/index.php\/2025\/01\/three-uk-provide-brief-progress-update-on-3g-mobile-switch-off.html\">here<\/a>) that the \u201c<em>vast majority<\/em>\u201d of their <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/3g\">3G<\/a> sites had now been switched off &#8211; save for a \u201c<em>small number<\/em>\u201d of sites were still live to avoid customers losing service, have now confirmed that those remaining sites were finally switched off at the end of November 2025.<!--more--><\/p>\n<p>The removal of <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/3g\">3G<\/a> has freed up some radio spectrum that can be re-farmed for use by modern <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/4g\">4G<\/a> and <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/5g\">5G<\/a> (mobile broadband) services, which could boost network performance and coverage. On top of that, operators are benefitting from some big cost and energy savings due to not having to cater for the old network.<\/p>\n<div class=\"bq2\"><strong>NOTE:<\/strong> The UK government and all major mobile operators have jointly agreed to phase-out existing 2G and <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/3g\">3G<\/a> signals by 2033 (<a href=\"https:\/\/www.ispreview.co.uk\/index.php\/2021\/12\/all-public-2g-and-3g-uk-mobile-services-switched-off-by-2033.html\">here<\/a>).<\/div>\n<p>All of the primary mobile network operators, except <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/o2uk\" rel=\"nofollow\" target=\"_blank\">O2<\/a>, have now switched off their 3G services and <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/o2uk\" rel=\"nofollow\" target=\"_blank\">O2<\/a> is set to reach the same stage by the end of this year (<a href=\"https:\/\/www.ispreview.co.uk\/index.php\/2025\/09\/virgin-media-o2-expand-uk-3g-mobile-switch-off-to-scotland.html\">they&#8217;re currently doing Scotland<\/a>). The operators are now starting to focus on the 2G switch-off, which will take longer for <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/o2uk\" rel=\"nofollow\" target=\"_blank\">O2<\/a> as they have to maintain some of it until Energy Smart Meters have been upgraded to use the new <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/4g\">4G<\/a> Communications Hub (modem); this will take a few years.<\/p>\n<blockquote class=\"bq1\"><p><strong>VodafoneThree Statement<\/strong><\/p>\n<p>Of Three\u2019s 16,000 network masts, only 3,000 were 3G-only. These were not only upgraded to <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/4g\">4G<\/a> and <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/link\/5g\">5G<\/a>; the software of many were also upgraded with Multi-Operator Core Network technology. This enables <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/vodafoneuk\" rel=\"nofollow\" target=\"_blank\">Vodafone<\/a> customers to use their signal \u2013 a key initial phase of VodafoneThree\u2019s plan to build the UK\u2019s best network.<\/p>\n<p>All this work was methodically undertaken in tandem with changes to Three\u2019s core network. This ensured, for example, that there was no disruption in service for customers of MVNOs (Mobile Virtual Network Operators) that use Three\u2019s network (such as <a href=\"https:\/\/www.ispreview.co.uk\/index.php\/go\/smarty\" rel=\"nofollow\" target=\"_blank\">SMARTY<\/a>) or for foreign visitors to the UK roaming on Three\u2019s network.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Mobile operator Three UK (VodafoneThree), which at the start of 2025 confirmed (here) that the \u201cvast majority\u201d of their 3G sites had now been switched off &#8211; save for a \u201csmall number\u201d of sites were still live to avoid customers losing service, have now confirmed that those remaining sites were finally switched off at the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":31212,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[62,60,63],"class_list":["post-44126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uk_isp_news","tag-3g","tag-mobile-broadband","tag-three-uk"],"share_on_mastodon":{"url":"https:\/\/mastodon.social\/@ispreview\/115667004863693534","error":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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