핸드폰
haendeupon
A mobile phone.
Real Englishcell phone / mobile phone
WhyBuilt from “hand” + “phone” — a phone you carry in your hand. 휴대폰 is the other common word; both are in the dictionary.
Examples
핸드폰 배터리가 다 됐어.
My phone's dead.
Korean life dictionary
22 short guides to words and manners