Product Name: Replacement On/Off & Volume Button Flex Ribbon Cable

Compatibility: Fits Sony Xperia Z1 Compact / Z1 Mini (Model D5503 / M51w)

Condition: Brand New

Part Type: Side Key / Power Button / Volume Rocker Flex Cable

Function: Replaces faulty, broken, or unresponsive power button and volume keys

Features: Direct replacement for original part; restores proper button function

Installation: Requires careful handling during phone disassembly

Package Includes: 1 x On/Off & Volume Ribbon Cable for Sony Xperia Z1 Mini