{"product_id":"huawei-p20-pro-antenna-signal-flex-cable-replacement","title":"Huawei P20 Pro Antenna Signal Flex Cable (118mm) Replacement | CLT-L09 CLT-L29","description":"\u003cstyle\u003e\n#spp{--ink:#0b0b0c;--txt:#1d1d1f;--mut:#6e6e73;--line:#e5e5ea;--soft:#f5f5f7;font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text','Helvetica Neue',Helvetica,Arial,sans-serif;max-width:1080px;margin:0 auto;color:var(--txt);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}\n#spp *{box-sizing:border-box}\n#spp svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}\n#spp .wrap{border:1px solid var(--line);border-top:0;border-radius:0 0 22px 22px;padding:44px 32px 20px;background:#fff}\n#spp .eb{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mut);font-weight:600;margin:0 0 8px}\n#spp 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svg{width:19px;height:19px}\n@media (max-width:760px){#spp .facts,#spp .trust{grid-template-columns:1fr 1fr}#spp .fact{padding:14px;gap:12px}#spp .fact .ico{width:40px;height:40px}}\n@media (max-width:760px){#spp .wrap{padding:30px 18px 10px}#spp h2{font-size:26px}#spp .two{grid-template-columns:1fr}#spp dl.spec{grid-template-columns:40% 1fr}#spp .dark{padding:24px 18px}}\n\u003c\/style\u003e\n\u003carticle id=\"spp\"\u003e\n  \u003cdiv class=\"wrap\" style=\"border:0;border-radius:0;padding:8px 0 0\"\u003e\n    \u003cp class=\"eb\"\u003eAntenna Signal Flex Cable (118mm)\u003c\/p\u003e\n    \u003ch2\u003eHuawei P20 Pro Antenna Signal Flex Cable (118mm) Replacement\u003c\/h2\u003e\n    \u003cdiv class=\"qa\" id=\"quick-answer\"\u003e\n\u003cb\u003eQuick answer\u003c\/b\u003eThis is a replacement 118mm antenna signal flex cable for the Huawei P20 Pro (models CLT-L09 and CLT-L29). It links the antenna connection to the main board and can restore weak or lost signal caused by a damaged cable. It does not fit the Huawei P20, P30 Pro, Mate 20 Pro. We recommend professional installation.\u003c\/div\u003e\n    \u003cdiv class=\"facts\"\u003e\n      \u003cdiv class=\"fact\"\u003e\n\u003cdiv class=\"ico c-blue\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003crect x=\"6.5\" y=\"2.5\" width=\"11\" height=\"19\" rx=\"2.8\" class=\"f\"\u003e\u003c\/rect\u003e\u003crect x=\"6.5\" y=\"2.5\" width=\"11\" height=\"19\" rx=\"2.8\"\u003e\u003c\/rect\u003e\u003ccircle cx=\"14.6\" cy=\"5.8\" r=\"1.1\" class=\"d\"\u003e\u003c\/circle\u003e\u003cpath d=\"M10.5 18.6h3\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdl\u003e\n\u003cdt\u003eFits\u003c\/dt\u003e\n\u003cdd\u003eHuawei P20 Pro\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"fact\"\u003e\n\u003cdiv class=\"ico c-green\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"8.5\" class=\"f\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"8.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"4\"\u003e\u003c\/circle\u003e\u003cpath d=\"M9.8 9.6a3 3 0 0 1 2-1\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdl\u003e\n\u003cdt\u003eFixes\u003c\/dt\u003e\n\u003cdd\u003eWeak or lost signal\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"fact\"\u003e\n\u003cdiv class=\"ico c-purple\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2.8l7.5 3v6c0 4.7-3.2 7.9-7.5 9.4-4.3-1.5-7.5-4.7-7.5-9.4v-6z\" class=\"f\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 2.8l7.5 3v6c0 4.7-3.2 7.9-7.5 9.4-4.3-1.5-7.5-4.7-7.5-9.4v-6z\"\u003e\u003c\/path\u003e\u003cpath d=\"M8.6 12.2l2.4 2.4 4.6-4.8\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdl\u003e\n\u003cdt\u003eQuality\u003c\/dt\u003e\n\u003cdd\u003eBrand new, OEM quality\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"fact\"\u003e\n\u003cdiv class=\"ico c-orange\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M14.8 6.2a4.2 4.2 0 0 0-5.6 5.6L3.5 17.5l3 3 5.7-5.7a4.2 4.2 0 0 0 5.6-5.6l-2.5 2.5-2.6-.5-.5-2.6z\" class=\"f\"\u003e\u003c\/path\u003e\u003cpath d=\"M14.8 6.2a4.2 4.2 0 0 0-5.6 5.6L3.5 17.5l3 3 5.7-5.7a4.2 4.2 0 0 0 5.6-5.6l-2.5 2.5-2.6-.5-.5-2.6z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdl\u003e\n\u003cdt\u003eFitting\u003c\/dt\u003e\n\u003cdd\u003eProfessional install\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"trust\"\u003e\n      \u003cdiv\u003e\n\u003cdiv class=\"ico c-red\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003ccircle cx=\"12\" cy=\"9\" r=\"6\" class=\"f\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"12\" cy=\"9\" r=\"6\"\u003e\u003c\/circle\u003e\u003cpath d=\"M12 6.2l.9 1.8 2 .3-1.4 1.4.3 2-1.8-.9-1.8.9.3-2-1.4-1.4 2-.3z\" class=\"d\"\u003e\u003c\/path\u003e\u003cpath d=\"M8.5 13.8L7 21l5-2.6 5 2.6-1.5-7.2\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003eeBay Top Rated\u003csmall\u003eUK seller\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cdiv class=\"ico c-blue\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M2.5 6.5h11v9h-11z\" class=\"f\"\u003e\u003c\/path\u003e\u003cpath d=\"M2.5 6.5h11v9h-11zM13.5 9.5h4l3 3.2v2.8h-7\"\u003e\u003c\/path\u003e\u003ccircle cx=\"6.5\" cy=\"17.5\" r=\"1.9\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"16.5\" cy=\"17.5\" r=\"1.9\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003eFree tracked\u003csmall\u003eUK orders over £5\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cdiv class=\"ico c-green\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"8.5\" class=\"f\"\u003e\u003c\/circle\u003e\u003cpath d=\"M4.5 12a7.5 7.5 0 1 0 2.2-5.3\"\u003e\u003c\/path\u003e\u003cpath d=\"M4.5 4.2v3.6h3.6\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 8.5V12l2.5 1.6\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003eSame-day dispatch\u003csmall\u003eBefore 4pm, Mon–Fri\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n      \u003cdiv\u003e\n\u003cdiv class=\"ico c-purple\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M6 2.8h12v18.4l-2.4-1.6-2.4 1.6-2.4-1.6-2.4 1.6L6 19.6z\" class=\"f\"\u003e\u003c\/path\u003e\u003cpath d=\"M6 2.8h12v18.4l-2.4-1.6-2.4 1.6-2.4-1.6-2.4 1.6L6 19.6z\"\u003e\u003c\/path\u003e\u003cpath d=\"M13.6 8.2a2 2 0 0 0-3.4 1.4V14M9.2 11.4h3.4M9.2 14h5\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003eVAT invoice\u003csmall\u003eEvery order\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003csection aria-labelledby=\"what\"\u003e\n      \u003cp class=\"eb\"\u003eOverview\u003c\/p\u003e\n      \u003ch3 id=\"what\"\u003eWhat this part is\u003c\/h3\u003e\n      \u003cp\u003eInside the Huawei P20 Pro, a thin coaxial signal cable carries the antenna signal between parts of the phone. It can be damaged by a drop, by liquid, or during an earlier repair, when it is easy to pinch or tear.\u003c\/p\u003e\n\u003cp\u003eThis is the 118mm antenna signal flex cable. Compare its length and ends with your old cable before fitting. If signal is still poor after it is replaced, the antenna itself or the main board may be at fault.\u003c\/p\u003e\n    \u003c\/section\u003e\n    \u003csection aria-labelledby=\"compat\"\u003e\n      \u003cp class=\"eb\"\u003eCompatibility\u003c\/p\u003e\n      \u003ch3 id=\"compat\"\u003eSpecifications and compatibility\u003c\/h3\u003e\n      \u003cdl class=\"spec\"\u003e\n        \u003cdt\u003ePart\u003c\/dt\u003e\n\u003cdd\u003eAntenna Signal Flex Cable (118mm)\u003c\/dd\u003e\n        \u003cdt\u003eCompatible with\u003c\/dt\u003e\n\u003cdd\u003eHuawei P20 Pro\u003c\/dd\u003e\n        \u003cdt\u003eModel numbers\u003c\/dt\u003e\n\u003cdd\u003eCLT-L09 · CLT-L29\u003c\/dd\u003e\n        \u003cdt\u003eDoes not fit\u003c\/dt\u003e\n\u003cdd\u003eHuawei P20, P30 Pro, Mate 20 Pro or any other model\u003c\/dd\u003e\n        \u003cdt\u003eFixes\u003c\/dt\u003e\n\u003cdd\u003eWeak, dropping or lost signal caused by a damaged antenna cable\u003c\/dd\u003e\n        \u003cdt\u003eDoes not fix\u003c\/dt\u003e\n\u003cdd\u003eSIM, network, software or main board faults\u003c\/dd\u003e\n        \u003cdt\u003eQuality\u003c\/dt\u003e\n\u003cdd\u003eBrand new, OEM-quality antenna signal flex cable (118mm). Tested before dispatch.\u003c\/dd\u003e\n        \u003cdt\u003eBrand\u003c\/dt\u003e\n\u003cdd\u003eUnbranded, compatible with Huawei P20 Pro\u003c\/dd\u003e\n        \u003cdt\u003eIn the box\u003c\/dt\u003e\n\u003cdd\u003e1 × 118mm antenna signal flex cable for Huawei P20 Pro.\u003c\/dd\u003e\n        \u003cdt\u003eColour\u003c\/dt\u003e\n\u003cdd\u003eAs shown in the photos\u003c\/dd\u003e\n        \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eProfessional installation recommended\u003c\/dd\u003e\n        \u003cdt\u003eSupplied by\u003c\/dt\u003e\n\u003cdd\u003eSupreme Phone Parts Ltd, Manchester, UK\u003c\/dd\u003e\n      \u003c\/dl\u003e\n    \u003c\/section\u003e\n    \u003csection aria-labelledby=\"right\"\u003e\n      \u003cp class=\"eb\"\u003eBefore you order\u003c\/p\u003e\n      \u003ch3 id=\"right\"\u003eIs this the right part?\u003c\/h3\u003e\n      \u003cdiv class=\"two\"\u003e\n        \u003cdiv class=\"card\"\u003e\n\u003ch4\u003eSigns it needs replacing\u003c\/h4\u003e\n\u003cul class=\"tick\"\u003e\n\u003cli\u003e\n\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M4 12.5l5 5L20 6.5\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan\u003eSignal bars are low or drop to none in places where other phones work\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M4 12.5l5 5L20 6.5\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan\u003eSignal got worse after a screen or back glass repair\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M4 12.5l5 5L20 6.5\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan\u003eCalls drop or data is slow even with good coverage\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M4 12.5l5 5L20 6.5\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan\u003eThe cable is visibly torn or its end is loose\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n\u003ch4\u003eHow to check your model\u003c\/h4\u003e\n\u003cp\u003eOpen \u003cstrong\u003eSettings › About phone\u003c\/strong\u003e. The model should read \u003cstrong\u003eP20 Pro\u003c\/strong\u003e and the model number should be CLT-L09 or CLT-L29.\u003c\/p\u003e\n\u003cp class=\"mut\" style=\"margin:0\"\u003eThe P20 Pro has three rear cameras in a vertical strip plus a separate flash; the standard P20 has two.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n    \u003csection aria-labelledby=\"install\"\u003e\n      \u003cdiv class=\"dark\"\u003e\n        \u003cp class=\"eb\"\u003eProfessional installation\u003c\/p\u003e\n        \u003ch3 id=\"install\"\u003eHow a technician fits this part\u003c\/h3\u003e\n        \u003col class=\"steps\"\u003e\n\u003cli\u003e\u003cspan\u003ePower the phone off, remove the SIM tray and warm the back glass evenly to soften the adhesive.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLift the back glass with a thin pick, then remove the screws and cover plates over the part.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisconnect the battery connector before touching any other part.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnclip both ends of the old signal cable and lift it out of its routing channel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoute the new 118mm cable the same way and press both ends onto their sockets until they click.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRefit the covers and screws, reconnect the battery, then close with new adhesive.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower on and test signal, calls and mobile data.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n        \u003cp class=\"note\"\u003eCheck that the part matches the device before fitting it or removing any adhesive backing. Once a part has been fitted, it cannot be returned for a change of mind. Faulty parts are always covered.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n    \u003csection aria-labelledby=\"faq\"\u003e\n      \u003cp class=\"eb\"\u003eFAQ\u003c\/p\u003e\n      \u003ch3 id=\"faq\"\u003eFrequently asked questions\u003c\/h3\u003e\n      \u003cdetails\u003e\u003csummary\u003eWill this fit my Huawei P20 Pro?\u003c\/summary\u003e\u003cp\u003eYes, if Settings › About phone shows P20 Pro with model number CLT-L09 and CLT-L29. It does not fit the P20.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it fit the Huawei P20?\u003c\/summary\u003e\u003cp\u003eNo. The P20 is smaller, has two rear cameras and uses different parts. Order the part listed for your exact model.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do I know this is the right cable?\u003c\/summary\u003e\u003cp\u003eIt is the 118mm antenna signal cable. Compare the length and the connectors with your old cable, and check the photos before fitting.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs it made by Huawei?\u003c\/summary\u003e\u003cp\u003eNo. It is a brand new, OEM-quality antenna signal flex cable made to fit the Huawei P20 Pro, and every part is tested before dispatch.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eShould I fit it myself?\u003c\/summary\u003e\u003cp\u003eWe recommend professional installation. The Huawei P20 Pro has a glued glass back that needs heat and care to open, and the battery must be disconnected before the new part is connected.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow quickly will it arrive?\u003c\/summary\u003e\u003cp\u003eOrders placed before 4pm on a working day are dispatched the same day from Manchester by Royal Mail Tracked. Delivery is free on UK orders over £5. You can also collect from our shop at 33 Moulton Street, Manchester M8 8FQ.\u003c\/p\u003e\u003c\/details\u003e\n    \u003c\/section\u003e\n    \u003cp class=\"by\"\u003ePrepared by the Supreme Phone Parts team, Manchester. Last updated September 2026.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003c\/article\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this fit my Huawei P20 Pro?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, if Settings › About phone shows P20 Pro with model number CLT-L09 and CLT-L29. It does not fit the P20.\"}},{\"@type\":\"Question\",\"name\":\"Does it fit the Huawei P20?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The P20 is smaller, has two rear cameras and uses different parts. Order the part listed for your exact model.\"}},{\"@type\":\"Question\",\"name\":\"How do I know this is the right cable?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is the 118mm antenna signal cable. Compare the length and the connectors with your old cable, and check the photos before fitting.\"}},{\"@type\":\"Question\",\"name\":\"Is it made by Huawei?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It is a brand new, OEM-quality antenna signal flex cable made to fit the Huawei P20 Pro, and every part is tested before dispatch.\"}},{\"@type\":\"Question\",\"name\":\"Should I fit it myself?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"We recommend professional installation. The Huawei P20 Pro has a glued glass back that needs heat and care to open, and the battery must be disconnected before the new part is connected.\"}},{\"@type\":\"Question\",\"name\":\"How quickly will it arrive?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Orders placed before 4pm on a working day are dispatched the same day from Manchester by Royal Mail Tracked. Delivery is free on UK orders over £5. You can also collect from our shop at 33 Moulton Street, Manchester M8 8FQ.\"}}]},{\"@type\":\"HowTo\",\"name\":\"How to fit a Huawei P20 Pro Antenna Signal Flex Cable (118mm) Replacement\",\"description\":\"Recommended fitting procedure for a trained repair technician.\",\"step\":[{\"@type\":\"HowToStep\",\"position\":1,\"text\":\"Power the phone off, remove the SIM tray and warm the back glass evenly to soften the adhesive.\"},{\"@type\":\"HowToStep\",\"position\":2,\"text\":\"Lift the back glass with a thin pick, then remove the screws and cover plates over the part.\"},{\"@type\":\"HowToStep\",\"position\":3,\"text\":\"Disconnect the battery connector before touching any other part.\"},{\"@type\":\"HowToStep\",\"position\":4,\"text\":\"Unclip both ends of the old signal cable and lift it out of its routing channel.\"},{\"@type\":\"HowToStep\",\"position\":5,\"text\":\"Route the new 118mm cable the same way and press both ends onto their sockets until they click.\"},{\"@type\":\"HowToStep\",\"position\":6,\"text\":\"Refit the covers and screws, reconnect the battery, then close with new adhesive.\"},{\"@type\":\"HowToStep\",\"position\":7,\"text\":\"Power on and test signal, calls and mobile data.\"}]}]}\u003c\/script\u003e\n","brand":"SUPREME PHONE PARTS LTD","offers":[{"title":"Default Title","offer_id":54879574131034,"sku":"SP2796","price":2.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9947\/2730\/files\/P20-Pro-WiFi-Antenna-Flex_01.jpg?v=1790703976","url":"https:\/\/supremephoneparts.com\/products\/huawei-p20-pro-antenna-signal-flex-cable-replacement","provider":"SUPREME PHONE PARTS LTD","version":"1.0","type":"link"}