现在手机最便宜的PLAN多少钱？如果想换充值卡打的话，是不是一定要换SIM CARD，换电话号码？

Thanks![qiaoqiao (8-10 9:12, Long long ago)] [ 传统版 | sForum ][登录后回复]1楼

好像。。。。。。。。如果是m1话，应该是26吧。ok21flex.(but u have to use student promotion letter)

if u want to use top-up card, u need to change the no.
and M1's top-up card is best(i think)[咖啡派 (8-10 16:09, Long long ago)] [ 传统版 | sForum ][登录后回复]2楼