difei gao

  • Total activity 16
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Activity overview

Latest activity by difei gao
  • difei gao created a post,

    seems ATT blocked wifi calling on most phones except ATT branded ones/premium upgrade

    Completed

    well, I've tried 3 phones, all are wifi calling campatible, but none works under the new premium SIM card, some research show ATT blocked them. I tried pixel 3a, pixel 4a, and samsong galaxy s20, w...

  • difei gao created a post,

    wifi calling not work

    Completed

    I've completed the migration from the old SIM to the new SIM/premium upgrade, but wifi calling does not work for me. I have a ticket #53780 but no customer service responses since the first message...

  • difei gao created a post,

    top up credit

    Completed

    hello, I submitted a private request/question three days ago, but have NOT received any responses. Request #50799. Can someone get back to me? thanks!

  • difei gao created a post,

    first incoming call goes to VM

    Completed

    first incoming call goes to VM, missed many phone calls. and, calls stop in the middle to conversations very often.  I've updated the app, sync my account, restart the phone, nothing seems to work....

  • difei gao created a post,

    finally the new app works

    Completed

    after over a couple of weeks, the new app finally works, finally!!!!!!!!!!!!!!!

  • difei gao created a post,

    "General error cannot communicate with server, please try again later", tried everything even factory reset my phone please help

    Completed

    Hello,I did everything I can, even factory reset my phone. nothing works.  I cannot even open the app, cannot assess anything. It says forever " general error trying to communicate with the serve, ...

  • difei gao created a post,

    General error cannot communicate with server

    Completed

    I cannot received phone calls again. So I did power cycle, uninstall and reinstall, but now I have the general error cannot communicate with server, cannot even open the APP. phone #xxxx2803, pleas...

  • difei gao created a post,

    cannot received calls

    Completed

    cannot receive calls. When I got called, a box of "Call in progress, view or end call" shows, then disappear quickly. Does not matter if click on veiw, or slide left, or right, nothing happens.  Pl...