I recently was unable to connect to my nas from readycloud on iPhone on the T-mobile network. I use to be able until recently. It was recently that it stopped working. I did a posting on T-mobiles forums and they suggest I check with the app owner first to make sure it wasn't on this end. This app works fine on any wifi network and I made sure the cellear option was enabled.
If your iPhone with ReadyCloud works on another network then it means there is a something with T-Mobile network blocking the app. There must be recent changes made on their network since that used to work.
ReadyCloud uses VPN to connect to the server on the Internet that will authenticate your access, I suggest checking this with T-Mobile if they can help adjust some settings on their end not to block the VPN ports.
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So Tmobile replied saying that there network uses IPV6 exclusively and thinks that ReadyCloud app on IOS isn't IPV6 compatible. Is ReadyCloud app IPv6 compatible? Could this be the reason why it doenst work?
According to apple https://developer.apple.com/support/ipv6/. All apps need to support ipv6 only connections. Is this something that will be updated in the near future?
