The LG LMX420QM K Series K40 2019 LTE-A US X420QM (LG X420Q) supports 4 GSM bands, 3 UMTS bands, 6 LTE bands, and 2 CDMA bands. See the tables below for details.

This device accepts the following SIM types to connect to mobile networks:

  • Nano-SIM (4FF)

Run a cross-reference compatibility check of this device on a specific network and country using the following links:



Supported Frequency Bands (15)


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