{"product_id":"sony-xperia-z3-compact-antenna-flex-cable-replacement","title":"Sony Xperia Z3 Compact Antenna Flex Cable Replacement | D5803 D5833","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 h2{font-size:34px;line-height:1.15;font-weight:600;letter-spacing:-.02em;color:var(--ink);margin:0 0 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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 Flex Cable\u003c\/p\u003e\n    \u003ch2\u003eSony Xperia Z3 Compact Antenna Flex Cable Replacement\u003c\/h2\u003e\n    \u003cdiv class=\"qa\" id=\"quick-answer\"\u003e\n\u003cb\u003eQuick answer\u003c\/b\u003eThis is a replacement antenna flex cable for the Sony Xperia Z3 Compact (models D5803 and D5833). It fixes weak or dropping signal caused by a damaged or loose antenna cable. It does not fit the full-size Xperia Z3, Z1 Compact, Z5 Compact or any other model. 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\u003eSony Xperia Z3 Compact\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 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\u003eThe antenna cable in the Sony Xperia Z3 Compact links the main board to the aerial in the phone's frame. If the cable is torn, pinched or its connector is loose, often after a drop or an earlier repair, signal becomes weak or keeps dropping.\u003c\/p\u003e\n\u003cp\u003eReplacing the cable restores the link. If signal is still poor with a new cable, the fault may be on the main board or with the network.\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 Flex Cable\u003c\/dd\u003e\n        \u003cdt\u003eCompatible with\u003c\/dt\u003e\n\u003cdd\u003eSony Xperia Z3 Compact\u003c\/dd\u003e\n        \u003cdt\u003eModel numbers\u003c\/dt\u003e\n\u003cdd\u003eD5803 · D5833\u003c\/dd\u003e\n        \u003cdt\u003eDoes not fit\u003c\/dt\u003e\n\u003cdd\u003efull-size Xperia Z3, Z1 Compact, Z5 Compact or any other model\u003c\/dd\u003e\n        \u003cdt\u003eFixes\u003c\/dt\u003e\n\u003cdd\u003eWeak, dropping or no signal caused by a damaged or loose antenna cable\u003c\/dd\u003e\n        \u003cdt\u003eDoes not fix\u003c\/dt\u003e\n\u003cdd\u003eMain board radio faults, SIM faults or network coverage problems\u003c\/dd\u003e\n        \u003cdt\u003eQuality\u003c\/dt\u003e\n\u003cdd\u003eBrand new, OEM-quality antenna flex cable. Tested before dispatch.\u003c\/dd\u003e\n        \u003cdt\u003eBrand\u003c\/dt\u003e\n\u003cdd\u003eUnbranded, compatible with Sony Xperia Z3 Compact\u003c\/dd\u003e\n        \u003cdt\u003eIn the box\u003c\/dt\u003e\n\u003cdd\u003e1 × antenna flex cable. Check the photos for any extra items.\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 is much weaker than on other phones in the same place\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 or mobile data drop often\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 loss started after a drop or an earlier repair\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\u003eXperia Z3 Compact\u003c\/strong\u003e, and the model number should be D5803 or D5833. Compare your old part with the photos before fitting.\u003c\/p\u003e\n\u003cp class=\"mut\" style=\"margin:0\"\u003eThe Xperia Z3 Compact has a 4.6-inch screen. The full-size Xperia Z3 is larger, with a 5.2-inch screen.\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 and remove the SIM tray.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWarm the back cover to soften the adhesive and lift it off carefully.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDisconnect the battery before touching any other connector.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUnclip the old antenna cable from its connectors and route.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFit the new cable along the same path and press the connectors on firmly.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReconnect the battery, check signal, then seal the back cover with new adhesive.\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 Xperia Z3 Compact?\u003c\/summary\u003e\u003cp\u003eYes, if Settings › About phone shows Xperia Z3 Compact (models D5803 and D5833). It does not fit the full-size Xperia Z3, Z1 Compact or Z5 Compact.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it fit the full-size Xperia Z3?\u003c\/summary\u003e\u003cp\u003eNo. The full-size Xperia Z3 is a different phone with a different internal layout. This part is for the Xperia Z3 Compact only.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWill it fix no signal at all?\u003c\/summary\u003e\u003cp\u003eOnly if the antenna cable is the cause. Try another SIM card first. If signal is still weak with a new cable, the main board may need checking.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs it made by Sony?\u003c\/summary\u003e\u003cp\u003eNo. It is a brand new, OEM-quality antenna flex cable made to fit the Sony Xperia Z3 Compact, and it 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 back cover is glued on and needs heat to remove, and the small connectors are easy to damage.\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. Returns are accepted within 30 days from receipt.\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 Xperia Z3 Compact?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, if Settings › About phone shows Xperia Z3 Compact (models D5803 and D5833). It does not fit the full-size Xperia Z3, Z1 Compact or Z5 Compact.\"}},{\"@type\":\"Question\",\"name\":\"Does it fit the full-size Xperia Z3?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. The full-size Xperia Z3 is a different phone with a different internal layout. This part is for the Xperia Z3 Compact only.\"}},{\"@type\":\"Question\",\"name\":\"Will it fix no signal at all?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Only if the antenna cable is the cause. Try another SIM card first. If signal is still weak with a new cable, the main board may need checking.\"}},{\"@type\":\"Question\",\"name\":\"Is it made by Sony?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It is a brand new, OEM-quality antenna flex cable made to fit the Sony Xperia Z3 Compact, and it is tested before dispatch.\"}},{\"@type\":\"Question\",\"name\":\"Should I fit it myself?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"We recommend professional installation. The back cover is glued on and needs heat to remove, and the small connectors are easy to damage.\"}},{\"@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. Returns are accepted within 30 days from receipt.\"}}]},{\"@type\":\"HowTo\",\"name\":\"How to fit a Sony Xperia Z3 Compact Antenna Flex Cable Replacement\",\"description\":\"Recommended fitting procedure for a trained repair technician.\",\"step\":[{\"@type\":\"HowToStep\",\"position\":1,\"text\":\"Power the phone off and remove the SIM tray.\"},{\"@type\":\"HowToStep\",\"position\":2,\"text\":\"Warm the back cover to soften the adhesive and lift it off carefully.\"},{\"@type\":\"HowToStep\",\"position\":3,\"text\":\"Disconnect the battery before touching any other connector.\"},{\"@type\":\"HowToStep\",\"position\":4,\"text\":\"Unclip the old antenna cable from its connectors and route.\"},{\"@type\":\"HowToStep\",\"position\":5,\"text\":\"Fit the new cable along the same path and press the connectors on firmly.\"},{\"@type\":\"HowToStep\",\"position\":6,\"text\":\"Reconnect the battery, check signal, then seal the back cover with new adhesive.\"}]}]}\u003c\/script\u003e\n","brand":"SUPREME PHONE PARTS LTD","offers":[{"title":"Default Title","offer_id":54879618826586,"sku":"SP0703","price":2.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9947\/2730\/files\/Xperia-Z3-WiFi-Antenna-Flex_01.jpg?v=1790704866","url":"https:\/\/supremephoneparts.com\/products\/sony-xperia-z3-compact-antenna-flex-cable-replacement","provider":"SUPREME PHONE PARTS LTD","version":"1.0","type":"link"}