Product Name: Network IC – Redmi 9T / POCO M3 (QET4101)

Compatible Models: Xiaomi Redmi 9T, Redmi Note 9T, POCO M3

Part Type: RF / Network signal processing IC (QET4101)

Function: Manages cellular network signal reception and transmission

Includes: Single QET4101 IC chip

Common Failure: Faulty chip causes "No Service" or "No Network" issues

Usage: Replaces faulty network IC causing signal loss

Professional installation only: Requires micro-soldering; not a DIY part