Product Name: Replacement Power Amplifier IC (PA IC) for Multiple Phone Models

Model Number: 77705-4

Compatibility: Fits multiple phone models including:

Sony Ericsson Live with Walkman (WT19 / "Small" variant)

Sony Ericsson Xperia Ray (ST18 / ST18i)

Sony Ericsson Xperia X8 (E15 / E15i)

HTC Desire HD

Condition: Brand New

Part Type: Power Amplifier IC / RF Amplifier Chip

Function: Replaces faulty power amplifier causing no network, weak signal, constant signal drops, or inability to connect to cellular networks

Issue Solved: Restores proper cellular signal reception and transmission power

Installation Note: Requires professional micro-soldering skills and specialized equipment

Package Includes: 1 x PA IC (77705-4) for Sony WT19 / ST18 / X8 / Desire HD