Umm, say i have phone which needs Nano SIM.
Now I also want to use same NUMBER in another phone which supports FULL sim.
So Nano SIM will NOT go in phone with FULL sim slot.
So I am planning to get a NANO sim and buy adapter. So simply insert Nano-SIM in adapter (which is of FULL sim size) and then adapter in FULL sim slot.
So in short I can use same SIM in two phones.
Now I also want to use same NUMBER in another phone which supports FULL sim.
So Nano SIM will NOT go in phone with FULL sim slot.
So I am planning to get a NANO sim and buy adapter. So simply insert Nano-SIM in adapter (which is of FULL sim size) and then adapter in FULL sim slot.
So in short I can use same SIM in two phones.