Does an eSIM always use SIM Slot 2?

vivo T2 Pro 5G-AMOLED Display, FastCharge-Specs & Price imei slot 1 slot 2 Tap Yes to enable Dual SIM mode; Go to About phone in the settings app and find IMEI Close imei slot 1 slot 2 nedir but now i find out there is no way to use second slot , can you explain it to me ? my phone support only 1 sim ?! so why it says dual sim and

imei slot 1 slot 2 Rear: main 50 MP f + 2 MP f