Product Name: Power Button (On/Off) for SAMSUNGsung A57

Compatible Model: SAMSUNGsung Galaxy A57

Color: PiNOKIA (color-matched to piNOKIA device frame)

Function: Physical power button to turn device on/off

Material: Durable molded plastic with smooth finish

Type: Side key button cover / actuator replacement

Installation: Replaces damaged or missing power button

OEM Standard: Compatible OPPO – seamless integration with colored device variants