The Microsoft Lumia 640 Dual SIM TD-LTE supports
4 GSM bands, 5 UMTS bands, and 10 LTE bands. See the tables below for details.
This device accepts the following SIM types to connect to mobile networks:
Run a cross-reference compatibility check of this device on a specific network and country using the following links:
Supported Frequency Bands (19)
GSM
Supported GSM Protocols
UMTS
Supported UMTS Protocols
LTE
Supported LTE Protocols
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