QM58110 RF Power Amplifier IC (PA) – 5G/LTE Signal Module

Technical Specifications: A replacement Radio Frequency Front-End Module (RF FEM).

• Model Number: QM58110.

• Type: Power Amplifier (PA) / FEM.

• Function: Amplifies the transmission signal (TX) for 5G NR and 4G LTE Mid/High bands.

• Installation: Surface Mount (BGA) – Requires precise heat control.

Common Fixes:

1. No Service: Device reads the SIM card but shows “Emergency Calls Only” or no signal bars.

2. Weak Signal: Low network reception even in good coverage areas.

3. Battery Drain: Excessive power consumption caused by the device struggling to maintain a signal connection.

Compatibility: Found in various flagship 5G devices, commonly:

• Samsung: Galaxy S20, S21, and S22 Series (5G variants).

• Xiaomi: Mi 10, Mi 11 Series.

• Google: Pixel 6 / 6 Pro.