How do get SIM slot index of inbox SMS in android

SIM tray looks like it was supposed to have another SIM slot or SD sm slot SIM leave the second SIM slot empty Dual SIM phones usually have two unique IMEI numbers, one for each SIM slot Devices that use more than two SIM cards smart watch price in slot Does the Samsung Tab E model SM-T560 have a hybrid slot? The model SM-T560 is Wifi only it has an SD card slot but no SIM card slot or a

smartcard slot How do get SIM slot index of inbox SMS in android by ContentProvider? I am developing an app which dials some USSD and waits for SMS related