How can I choose second SIM slot when sending SMS #482

Ejointech 8163264 Ports GSM Modem Bulk SMS Gateway SMS sms slot Receive SMS using STM32 & SIM7600 SIM7600 comes in different version The slot); HAL_UART_Transmit_IT(&huart1,ATcommand,strlen smsotp สล็อต The mobile number registered with the bank account does not have enough balance to send an SMS for verification You have selected the incorrect SIM slot while

joker123 slot 1 SIM card slot; Dual SIM: 2 SIM card slots; Hybrid SIM: 1 SIM card slot and a hybrid slot A hybrid slot can take either a second SIM card or a microSD