The SIM card tray, as shown below, also has only two slots. You can only fit a SIM card in the slot 1. The slot 2 can hold a SIM card OR a micro SD card, but not both simultaneously. As explained inthis guide: If you want to use two SIM cards on Galaxy S9 or S9+, then ...
You can move the apps back to the internal storage if you want to change the micro SD card or need to use two SIM cards. Please note, when using a micro SD card, Android always allows you to save photos and videos taken with the phone camera to the micro SD card. On Galaxy S20, ...
For Moto G (including Moto G 2nd Gen), the SIM card slot is under the back cover. So, to insert SIMcard, you must remove Moto G back cover. In addition, the microSD cardslot in Moto G 2014 is also under the back cover. You have to remove the Moto G back cover to put in you...
which is located below the side button (the power button) on the right side of your iPhone. Stick the paper clip inside the tiny hole. You may need to press down with some force to eject the SIM tray.
And in Galaxy S7,Samsung added micro SD card support back. Traditionally, Android apps can only be installed on the internal storage, not SD card. Only some app data can be moved to SD card. And the support is determined by the app developer. ...