The Asus ZenFone 4 Pro Dual SIM Global TD-LTE ZS551KL 64GB supports 4 GSM bands, 8 UMTS bands, and 16 LTE 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 (28)


Related Listings