Can SKT and KT cell phones be exchanged?

pu1. There is no distinction between SKT and KT on mobile phones. You can use it as soon as you sign up at the agency

2017-12-24

OK

pu2. SKT and KT are compatible with both USIM and mobile phones. You don't have to buy a new one or pay extra. Just use it

2017-12-24

OK

pu4. LG has no distinction between phones that come out these days

2017-12-24

OK