[Apple] 苹果的信号是我误解了吗
昨天去大运看演唱会，我隔壁的一个香港大姐全程都在发视频，无任何卡顿，而且我看她微信从来没有转圈圈过。看信号是全球通，双卡，手机 pin 是四位的，这个是不是意味着她的手机是比较旧款的 iPhone 。我自己的是 iPhone 15 PRO MAX 联通流量，一张图都发不出去。 突
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