Make the app always able to login EVEN IF YOU'RE IN CHINA
In china, you can't login to the app unless you've connected to VPN first by some other means. such as manual PPTP connection.
If someday PPTP is blocked in China like OpenVPN, what should people in China do?
So it matters to make your app ALWAYS ABLE TO LOGIN no matter where your location is. I'm pretty sure there will be some workarounds!

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bashir807@hotmail.com commented
T
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sproutsbrook@comcast.net commented
No way
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柒褚 commented
如果我因为手机丢失,内存损坏那么就很有可能无法再次登录Vypr,就需要借助其他VPN,下载VPN渠道又需要VPN将会陷入死循环
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i0s1h3i0i@gmail.com commented
さあ
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zendwolfe@gmail.com commented
I was recently in the Beijing airport waiting for a connecting flight and I was able to connect using the airport’s free wifi and Vyper. I logged onto Facebook with no problem.
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msturge commented
PPTP is not a secure protocol. I can’t imagine why the developers would implement it.
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claudio-ho@hotmail.com commented
this is so essential and crucial for people who is using for the first time. they need to log in to use it. dev should pay attention on this. if we can’t log in then we cannot use it!