NOT KNOWN DETAILS ABOUT BUY SELL TRADE USA

If I use a three PAYG SIM in USA, will I however have access to every one of the applications currently installed in my cellphone with my Tesco cell amount? Would I be superior to obtain an eSIM so I'm able to swap concerning numbers as expected? I’m finding all this tech chat a tad confusing…. Thanks!The worldwide ecommerce business, Alibaba T