What is an eSIM and how do I use an eSIM? Mobile Help

I have the registered number SIM card in my handset Still, I am getting an error message, and the application is

A hybrid SIM slot is one that can be used as both a SIM card slot and a microSD card slot This means you can either insert another SIM card

sim slot meaning If any of the partsbuttonscamerasim tray etc are missing If the battery capacity has dropped below a certain level If the battery is swollen

simple slot machine IMEI for networks of GSM standard) Such an identifier is assigned to each SIM slot of the mobile device Such a CEIR may include the following lists: White