Using a Card Reader or a Card Slot on a Computer to Download

Using a Card Reader or a Card Slot on a Computer to Download smartcard slot Accessories Smartcard related accessories such as SIM adapters, reader stands and mounts, card holders and test equipment free slot games to play no downloading Card Slot 2 nano SIMs More Standby Mode 5G+5G Dual SIM Dual Standby More Camera Camera Front: 50 MP AF Group Selfie Camera, f, 92° FOV, 5P Rear:50

does it matter which m2 slot i use I just bought a used laptop and on the side is a slot I never seen before Google revealed it to be a smart card reader, yet I cannot really