SIM card English meaning

It is used to unblock your SIM card when you entered 3 times a wrong PIN code A card blocked by the PUK code cannot be unblocked; it cannot be used any further

In case you are still unable to register, remove the 2nd SIM card from the device and place the registered number's SIM in the primary slot of the phone to

sim slot meaning A Dual SIM card tray has two dedicated SIM card slots, whereas a Hybrid SIM card tray has one dedicated SIM card slot and a hybrid slot

simpleplay slot In case you are still unable to register, remove the 2nd SIM card from the device and place the registered number's SIM in the primary slot of the phone to