Product Name: Power Amplifier IC (77916-31) for A59

Compatible Model: SAMSUNGsung Galaxy A59

Component Model: 77916-31 (PA IC identification number)

Function: Amplifies signal for cellular transmission and reception

Type: Integrated circuit / power amplifier module

Application: Restores network signal strength and call quality

Location: Mounted on main board

OEM Standard: Compatible OPPO – precise signal amplification and stability