Enjoy the reliable and fast 4G LTE data supported by one of the biggest network providers ‘LG Uplus’.,As for Data option, you will receive QR eSIM by email & As for Data+Call/text option, you can set it up at Airport counter(Extra top up required),The eSIM download can be done immediately.The usage period will be counted from the moment you use the data first time in South Korea.,If you choose data+voice/SMS plan, voice/SMS top-up fee will be charged when you pick up at LG U+ counter in the airport (Can not be changed to data only plan at the counter)