Yes, the VG710 features dual SIM card slots and supports a "Dual SIM Enable" function4. By default, the dual-SIM function is disabled and SIM1 is used, but users can enable it in the cellular settings to allow for automatic switching and link backup.Users can enable dual-SIM in the "Network >> Cellular" settings and configure parameters like main SIM, backup SIM timeout, and CSQ threshold for automatic switching.