{"product_id":"for-samsung-galaxy-s21-sm-g991b-original-power-button-flex-cable","title":"For Samsung Galaxy S21 SM-G991B Power Button Flex Cable","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eIs the power button on your Samsung Galaxy S21 (SM-G991B) feeling loose, sticking, unresponsive, or broken? This \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePower Button Flex Cable\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is the precise OEM-like replacement component you need to restore the tactile feedback and reliable functionality of your device's power and volume controls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eReplacement Flex Cable Assembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is manufactured as a high-quality, compatible part specifically for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSamsung Galaxy S21 model SM-G991B\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It integrates the power button, volume rocker buttons, and their associated flex circuit into a single, essential module that connects directly to the mainboard.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eExact Model Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed exclusively for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSamsung Galaxy S21 (Model SM-G991B)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. This ensures the correct flex cable length, connector placement, and button positioning for a perfect fit inside your device's frame.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eComplete Button Module Replacement:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This is not just a single button. It's the entire flex cable assembly that houses the power button and both volume up\/down buttons. Replacing this single unit fixes issues with any or all of these side buttons.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRestores Critical Device Control:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Directly solves problems such as a non-responsive power button, stuck volume keys, loss of tactile \"click,\" or a button that has physically broken off. This repair restores your ability to power the device on\/off, lock the screen, adjust volume, and use button shortcuts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eIntegrated \u0026amp; Streamlined Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The module combines the physical buttons with their electrical contacts on a single flexible circuit board. This design simplifies installation compared to replacing individual, microscopic switch components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eEssential for Daily Operation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Functional side buttons are crucial for basic device operation. This part is a direct, reliable fix to regain full hardware control of your phone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1 x Samsung Galaxy S21 (SM-G991B) Power Button Flex Cable Assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eImportant Information\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAdvanced Repair Warning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Replacing this component requires \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecomplete disassembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e of your phone. You must safely remove the back glass, disconnect the battery, and remove several internal components (including likely the mainboard) to access and replace this flex cable. \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDue to the complexity and risk of damaging other components, professional installation is highly recommended.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eConfirm Your Exact Model:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Double-check that your phone is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGalaxy S21 with model number SM-G991B\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e (typically the international\/Global variant). This part is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot compatible\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with the S21+ (G996B), S21 Ultra (G998B), or other regional models (like SM-G991U), as their internal layouts differ.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eExtreme Delicacy Required:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The flex cable is fragile. The connector latches are tiny and easy to break. Handle the cable by its edges and avoid bending it at sharp angles. Use plastic tools, not metal, near the connectors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eFull Transfer of Components:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The repair involves carefully transferring any associated small parts (like the SIM tray assembly or antenna brackets) from your old flex cable frame to the new one. Keep track of all screws and their locations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eNecessary Tools \u0026amp; Skill:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e You will need a full phone repair toolkit, a heat source for back glass removal, and excellent magnification and dexterity. An anti-static wrist strap is mandatory to protect the mainboard.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eRegain full control of your Samsung Galaxy S21. This repair is for experienced technicians. Order this OEM-like power button flex cable for a professional and complete solution.\u003c\/span\u003e\u003c\/p\u003e","brand":"The Repair Plus","offers":[{"title":"Default Title","offer_id":53200237527367,"sku":null,"price":8.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2545\/8759\/files\/SPS8691.jpg?v=1769252382","url":"https:\/\/therepairplus.com\/products\/for-samsung-galaxy-s21-sm-g991b-original-power-button-flex-cable","provider":"The Repair Plus","version":"1.0","type":"link"}