Report ID: LC-0414-G3-USC Date: October 26, 2023 Subject: Analysis of SIM card recognition and network compatibility for LG G3 on US Cellular 1. Executive Summary The LG G3 (specifically the VS985 model) was originally manufactured for Verizon Wireless. While it possesses the hardware capability to operate on CDMA networks like US Cellular, end users frequently encounter "No SIM Card," "Invalid SIM," or "SIM card not detected" errors. This report outlines the causes, diagnostic steps, and limitations of using a US Cellular SIM card in an LG G3. 2. Device & Network Compatibility | Specification | LG G3 (VS985) | US Cellular Requirement | |---------------|----------------|--------------------------| | Network type | CDMA / LTE | CDMA / LTE | | SIM form factor | Micro-SIM | Micro-SIM | | LTE Bands | Band 4 (1700/2100), Band 13 (700), Band 2 (1900), Band 3 (1800), Band 7 (2600) | Band 2, 4, 5, 12, 66, 71 | | Carrier lock | Originally locked to Verizon | Requires unlocked device |