U.S. carriers like Verizon, AT&T, T-Mobile and Sprint are concerned that a recent report from Dow Jones is true. The word is that the 2018 Apple iPhone models will replace the tradition SIM card and SIM tray for an embedded eSIM chip. If this does occur, iPhone users will have a lot of flexibility when it comes to cellular connectivity. Unlike a SIM card, which is obtained from the user's wireless provider and must be inserted in a phone for it to connect to that provider's network, an eSIM is programmed OTA.

While a SIM card locks an iPhone user into one ...


원문출처 : https://www.phonearena.com/news/Report-2018-Apple-iPhone-models-will-use-eSIM-chip-U.S.-carriers-are-concerned_id106530