{"id":3910,"date":"2026-01-09T22:41:44","date_gmt":"2026-01-09T21:41:44","guid":{"rendered":"https:\/\/nothingtec.com\/?p=3910"},"modified":"2026-03-03T16:30:05","modified_gmt":"2026-03-03T15:30:05","slug":"nothing-phone-3a-3a-pro-actualizacion-nothing-os-enero-2026","status":"publish","type":"post","link":"https:\/\/nothingtec.com\/en\/2026\/01\/09\/nothing-phone-3a-3a-pro-actualizacion-nothing-os-enero-2026\/","title":{"rendered":"Nothing Phone (3a) and (3a) Pro receive the Nothing OS B4.0-251229-2335 update"},"content":{"rendered":"<p>Nothing has just released a <strong>new software update<\/strong> for users of <a href=\"https:\/\/nothingtec.com\/en\/category\/nothing-phone-series\/phone-3a\/\">Nothing Phone (3a)<\/a> and <a href=\"https:\/\/nothingtec.com\/en\/category\/nothing-phone-series\/phone-3a-pro\/\">(3a) Pro<\/a>. Under the version <strong><a href=\"https:\/\/nothingtec.com\/en\/category\/nothing-os\/\">Nothing OS<\/a> 4.0-251229-2335<\/strong>, The company continues to refine its customization layer to offer a more polished experience. As is typical for the brand, the firmware rollout will be phased in, so if you haven&#039;t yet seen the notification in your system settings, it&#039;s only a matter of time before it appears on your device.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image is-style-rounded\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1472\" height=\"1173\" src=\"http:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/promo-nothing-3a.webp\" alt=\"\" class=\"wp-image-1041\" style=\"aspect-ratio:1;object-fit:cover;width:300px;height:auto\" srcset=\"https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/promo-nothing-3a.webp 1472w, https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/promo-nothing-3a-300x239.webp 300w, https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/promo-nothing-3a-1024x816.webp 1024w, https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/promo-nothing-3a-768x612.webp 768w, https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/promo-nothing-3a-816x650.webp 816w\" sizes=\"auto, (max-width: 1472px) 100vw, 1472px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/amzn.to\/4hwayll\" target=\"_blank\" rel=\"noreferrer noopener\">View deal on AMAZON<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p>This version focuses especially on the <strong>visual cohesion and in correcting details<\/strong> Regarding the camera issue that users had reported, I personally think the change to the battery icon is a complete success; it&#039;s one of those long-standing community requests that finally integrates the battery level clearly. Furthermore, the improvements in power consumption when recording video and the correction of blurry selfies demonstrate that Nothing continues to optimize the hardware of its devices to get the most out of them.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">What&#039;s new in this update<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Visual improvements<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udd0b The battery percentage icon has been updated, now showing the number inside.<\/li>\n\n\n\n<li>\ud83c\udf9a\ufe0f The smoothness of the volume control animation has been improved when adjusting it with the physical keys.<\/li>\n\n\n\n<li>\ud83c\udf11 Optimization of &quot;Extra Dark&quot; mode for better visual adaptation in more scenarios.<\/li>\n\n\n\n<li>\ud83d\udcfc Optimized sound wave and wheel animations in the Recorder app for a smoother experience.<\/li>\n<\/ul>\n\n\n<p style=\"text-align:center; font-size:10px; color:#999; margin-bottom:10px;\">ADVERTISING<\/p>\n<div style=\"min-height:300px; text-align:center;\">\n    <ins class=\"adsbygoogle\"\n         style=\"display:block\"\n         data-ad-client=\"ca-pub-8703083052597032\"\n         data-ad-slot=\"7174952478\"\n         data-ad-format=\"auto\"\n         data-full-width-responsive=\"true\"><\/ins>\n    <script>\n         (adsbygoogle = window.adsbygoogle || []).push({});\n    <\/script>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\">General improvements and bug fixes<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udd14 It is now possible to configure different ringtones for dual SIM use.<\/li>\n\n\n\n<li>\ud83d\udcf3 Optimization of vibration and haptic feedback in more system scenarios.<\/li>\n\n\n\n<li>\ud83e\uddbb Optimizing sound volume during calls with Oticon Zircon 2 miniRITE T hearing aids.<\/li>\n\n\n\n<li>\ud83d\udcf9 Optimizing energy consumption during video recording with the rear camera.<\/li>\n\n\n\n<li>\ud83d\udeb6 Improved stability of Pedometer widgets.<\/li>\n\n\n\n<li>\ud83d\udcf1 Fixed display errors in the status bar, quick settings, and notifications for better visual consistency.<\/li>\n\n\n\n<li>\ud83e\udd33 Fixed an issue where faces appeared blurry when shooting close-up with the front camera.<\/li>\n\n\n\n<li>\ud83d\uddbc\ufe0f Correction of an error where the watermark showed an incorrect focal distance or location in the photos.<\/li>\n\n\n\n<li>\ud83d\udcf7 Improved overall camera stability.<\/li>\n\n\n\n<li>\ud83d\udcf6 Improved overall network stability.<\/li>\n\n\n\n<li>\u2699\ufe0f Improved overall system stability and fluidity.<\/li>\n\n\n\n<li>\ud83c\udf10 Google Services (GMS) update to the December 2025 version.<\/li>\n\n\n\n<li>\ud83d\udee1\ufe0f Security patch update to December 2025.<\/li>\n<\/ul>\n\n\n<p style=\"text-align:center; font-size:10px; color:#999; margin-bottom:10px;\">ADVERTISING<\/p>\n<div style=\"min-height:300px; text-align:center;\">\n    <ins class=\"adsbygoogle\"\n         style=\"display:block\"\n         data-ad-client=\"ca-pub-8703083052597032\"\n         data-ad-slot=\"7174952478\"\n         data-ad-format=\"auto\"\n         data-full-width-responsive=\"true\"><\/ins>\n    <script>\n         (adsbygoogle = window.adsbygoogle || []).push({});\n    <\/script>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\">Performance and installation notes<\/h4>\n\n\n\n<p>It is important to mention that, during the installation process,<strong> You may notice that the device is using more power than usual or that its temperature is increasing.<\/strong>. This is expected behavior while the system reorganizes files; once the update is complete, performance will return to normal. If you notice any issues after the update, remember that you can submit your report directly through [link\/method\/etc.]. <em>Settings -&gt; System -&gt; Feedback<\/em> to help the development team.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image is-style-rounded\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/lanzamiento-telefono-nothing-phone-3a-series-001.webp\" alt=\"\" class=\"wp-image-1340\" style=\"aspect-ratio:1;object-fit:cover;width:300px\" srcset=\"https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/lanzamiento-telefono-nothing-phone-3a-series-001.webp 1024w, https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/lanzamiento-telefono-nothing-phone-3a-series-001-300x169.webp 300w, https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/lanzamiento-telefono-nothing-phone-3a-series-001-768x432.webp 768w, https:\/\/nothingtec.com\/wp-content\/uploads\/2025\/03\/lanzamiento-telefono-nothing-phone-3a-series-001-816x459.webp 816w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/amzn.to\/3FkwqCO\" target=\"_blank\" rel=\"noreferrer noopener\">View deal on AMAZON<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Nothing acaba de liberar una nueva actualizaci\u00f3n de software para los usuarios del Nothing Phone (3a) y (3a) Pro. Bajo la versi\u00f3n Nothing OS 4.0-251229-2335, la compa\u00f1\u00eda sigue puliendo su capa de personalizaci\u00f3n para ofrecer una experiencia m\u00e1s refinada. Como suele ser habitual en la marca, el despliegue de este firmware se realizar\u00e1 de manera [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1918,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[26,38,9,192],"tags":[51,44,190,57,191],"class_list":["post-3910","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nothing-os","category-noticias","category-phone-3a","category-phone-3a-pro","tag-actualizacion","tag-nothing-os","tag-noticias","tag-phone-3a","tag-phone-3a-pro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nothing Phone (3a) y (3a) Pro reciben la actualizaci\u00f3n Nothing OS B4.0-251229-2335 - NothingTec<\/title>\n<meta name=\"description\" content=\"Descubre todas las novedades de la actualizaci\u00f3n 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