Product Name: Power Button Flex Ribbon for SAMSUNGsung A57

Compatible Model: SAMSUNGsung Galaxy A57 (all variants)

Function: Power button control and signal transmission

Material: Flexible PCB with reinforced contact pads

Type: Side key power flex cable replacement

Note: Button only flex – does not include fingerprint sensor

Installation: Direct replacement for unresponsive power button

OEM Standard: Compatible OPPO – restores original power function