휴대폰 요금제 어떻게 설정해서 사용하는게 제일 좋을까요?

<div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://vo.la/iR3Vi" data-link-newwindow="_blank"><a href="https://vo.la/iR3Vi" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/sT2/f2c81434c5c00134cd543e14afc7741662f5e939" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/f2c81434c5c00134cd543e14afc7741662f5e939" data-origin-width="500" data-origin-height="30"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://vo.la/86PI4" data-link-newwindow="_blank"><a href="https://vo.la/86PI4" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/sT2/e7d36fb2f2cf4921160a3b4d714d19292d00b1b9" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/e7d36fb2f2cf4921160a3b4d714d19292d00b1b9" data-origin-width="500" data-origin-height="30"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://m.site.naver.com/1rlFm" data-link-newwindow="_blank"><a href="https://m.site.naver.com/1rlFm" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/sT2/740724a719929167911d15e130def5865832e9d1" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/740724a719929167911d15e130def5865832e9d1" data-origin-width="500" data-origin-height="30"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://cafe.daum.net/japantokyo/OGNs/79?svc=cafeapi" data-link-newwindow="_blank"><a href="https://cafe.daum.net/japantokyo/OGNs/79?svc=cafeapi" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/sT2/87b1fca91eabe264332076c005c40e0f13b4d51b" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/87b1fca91eabe264332076c005c40e0f13b4d51b" data-origin-width="500" data-origin-height="30"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/sT2/84f45483454e9f94b51e1205d3d2c1e005d5ee42" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/84f45483454e9f94b51e1205d3d2c1e005d5ee42" data-origin-width="808" data-origin-height="53"></div><p style="text-align: center;">※ 여기를 클릭하여, 내용을 입력해 주세요.</p><p style="text-align: start;"> </p><p style="text-align: start;"> </p><p style="text-align: start;"> </p><p style="text-align: start;"> </p><p style="text-align: start;">안녕하세요 ~ </p><p style="text-align: start;">기존에 한국에서 사용하는 휴대전화는 알뜰요금제로 변경해두고 일본에서 이심으로 신청하여 사용한다고들 하시는데 ~ </p><p style="text-align: start;">직접 사용해보고 느끼신 분들의 해답이 궁금하네요. </p><p style="text-align: start;"> </p><p style="text-align: start;"> </p><p style="text-align: start;"> </p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://iqa76.app.link/7EqrfA0ALPb?%243p=a_custom_1402475009462604033" data-link-newwindow="_blank"><a href="https://iqa76.app.link/7EqrfA0ALPb?%243p=a_custom_1402475009462604033" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/sT2/73f36873bdb2ee0ca3696abac41783058729c2c2" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/73f36873bdb2ee0ca3696abac41783058729c2c2" data-origin-width="812" data-origin-height="100"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://vo.la/PFsYuB" data-link-newwindow="_blank"><a href="https://vo.la/PFsYuB" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/sT2/fad649295099348a7e10749661899223c786a6d9" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/fad649295099348a7e10749661899223c786a6d9" data-origin-width="812" data-origin-height="100"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://vo.la/MGgou" data-link-newwindow="_blank"><a href="https://vo.la/MGgou" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/sT2/3d1ed72b4ed8afdb1bee9902eaeddf46902ae071" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/3d1ed72b4ed8afdb1bee9902eaeddf46902ae071" data-origin-width="812" data-origin-height="100"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://vo.la/TN2yr" data-link-newwindow="_blank"><a href="https://vo.la/TN2yr" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/sT2/4ad2e524d6a61b0a4f8e41d2d8ae38404488cc4f" data-img-src="https://t1.daumcdn.net/cafeattach/sT2/4ad2e524d6a61b0a4f8e41d2d8ae38404488cc4f" data-origin-width="812" data-origin-height="100"></a></div>