Product Name: Power Amplifier IC for Sony / HTC Models – 77705-5
Compatible Models: Sony WT19 (Live with Walkman – small variant), Sony ST18 (Xperia Ray), Sony X8 (E15i), HTC Desire HD (A9191)
Part Type: 77705-5 power amplifier IC
Function: Replaces damaged or non‑working PA IC – restores cellular signal transmission and network connectivity
Material: Glass IC chip with gold‑plated solder balls
Specification: 77705-5
Usage: Internal repair – resolves no network, weak signal, or inability to make calls
OEM: Yes – high quality replacement