Us Cellular Lg G3 Motherboard · Confirmed

Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 4.0 LE, and NFC .

If you are attempting a repair, finding a "new" US Cellular (US990) motherboard is difficult as the device is long out of production. Most replacements available online are:

The (model US990 ) is the central nervous system of one of LG's most successful flagship smartphones . While the LG G3 was revolutionary for its Quad HD display and laser autofocus, its motherboard has become a primary focus for modern hobbyists and repair enthusiasts due to common aging issues like the "Blue Screen of Death". us cellular lg g3 motherboard

The US990 variant was specifically tailored for US Cellular's network architecture, blending CDMA and LTE technologies. Specification Qualcomm Snapdragon 801 (Quad-core up to 2.5 GHz) Graphics (GPU) Adreno 330 RAM 3 GB LPDDR3 (32 GB storage model) Internal Storage 32 GB eMMC (expandable up to 2 TB via microSD) Network Support LTE Bands 2, 4, 5, 12/17, 25; CDMA 800/1900 MHz Operating System Shipped with Android 4.4.2 KitKat Common Motherboard Issues and Symptoms

32 GB internal flash storage (approx. 24 GB user-accessible), with a microSD slot supporting up to 2 TB . Connectivity: Wi-Fi 802

Like many LG devices from this generation, the G3 motherboard is prone to heat-related solder fatigue . Simple is the New Smart - LG Electronics

The rear camera, front camera, earpiece speaker, charging port (attached to a daughterboard), and battery are separate components connected via flex cables. These can be transferred from an old phone to a replacement motherboard. While the LG G3 was revolutionary for its

Given the age of the LG G3 (released 2014), sourcing a US Cellular-specific motherboard is becoming difficult and costly. For the price of a used board ($40–$60), you could purchase a newer prepaid US Cellular compatible phone (e.g., a Moto G Power or Samsung Galaxy A series) with far better performance and reliability.

For experienced users only.

If your US Cellular G3 motherboard has failed and you need data (photos, texts), simply swapping the motherboard will not help, as the storage chip is on the dead board.