如果每天上下班的路上，你的手机经常断线或者不在服务区内，向那些和你同路但是却没有这些问题的人询问他们的手机入的是哪家网络。
Be a detective.If you're getting a lot of dropped calls or dead zones on your commute every day, ask a cell user with the same commute who doesn't have your problems who his or her carrier is.
为进行网络升级，明天(2月21日)17：00左右将有一次断线。如果一切顺利的话我们只需要断线约一小时。
There will be an outage tomorrow (February 21st) starting around 17:00 UTC for network upgrades. If all goes well, we will only be offline for about an hour.
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