Compatibility Replacement power and volume button flex cable compatible with Samsung Galaxy A51 and A71 Fits models SMA515F and SMA715F Before , confirm your model: Settings > About Phone > Model name or Model number What this part does Replaces the internal flex cable assembly for the power and volume buttons Addresses common failures such as loose, broken, inelastic, or nonfunctioning buttons Restores tactile response and reliable button operation Key features and benefits Function: Restores on/off and volume control functionality by replacing the damaged flex cable assembly Material: Made from grade, elastic flex cable for improved durability and consistent bounce Performance: Designed to provide responsive button action after installation, reducing mispresses and unresponsive buttons Compatibility: Specifically made for SMA515F and SMA715F models to ensure correct fit and alignment Ease of replacement: Simple design for a straightforward swap; compatible with common phone procedures and tutorials Why you need this part Fixes unresponsive or intermittent power and volume controls without replacing the entire device Returns proper tactile feedback when buttons become soft or loose Costeffective option versus full module replacement Installation notes Installation requires opening the device and basic skills Follow modelspecific disassembly guides or video tutorials for a safe, proper installation Inspect connectors and surrounding components for damage before and after installation Practical use scenarios a broken flex cable after a drop that left the power button stuck and the volume buttons unresponsive Restore button elasticity and response on a device with stretched or inelastic button flex after longterm use intermittent power or volume operation caused by a partially detached or corroded flex cable connection What is included Power and volume button flex cable replacement assembly for SMA515F and SMA715F Compatibility reminder Confirm device model in Settings > About Phone > Model name or Model number before ordering to ensure correct fit