HT201415 Unable to join 3G/4G/LTE

Dear Apple
I bought my iPhone 5S from apple store online last year, but it's unable to join 3G/4G LTE since I have changed my mobile operator. i tried to call the apple support in China, but i 've been told it's not possible to resolve this problem. it's miserable and  I wondering how it happened? i didn't buy the product from mobile operator. i hope apple headquarter can help me to resolve this problem.
Thanks a lot
Best Regards
Angela
<Personal Information Edited By Host>

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Similar Messages

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    sudenly my iPhone 5 gives this message "Unable to Join the network ..." when i try to join my WiFi at home. i tried resetting the router, rest the network settings on my iPhone, but still get same error message.

    This might work for some of you. I'm pretty sure most of these issues are caused by the type of Wireless Security and the Radio mode of the router. I had to rule out a lot of enviromental factors to get my problem fixed—type of case, the walls or how I was holding the phone.
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    After many months of putting up with this problem on my phone, I finally gave up and booked an appointment at the Apple store. They wiped the phone and did the usual test with the Apple store WiFi which is freaky fast. The phone had no problems using their open network—both before or after the wipe. I was pretty disapointed after wasting 2 hours of my day.
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    Message was edited by: redjeko. Added iOS version.

  • Can there be a hardware issue on the iPad that causes you to unable to join wifi networks or only if you are within 5 feet of routers?

    I used to be able to connect my iPad to my house wifi network walking all over my house then one day it stopped.  When i tried to connect to my network I would get an message saying "Unable to Join network".  I found that if i was within 5 feet of my router it would connect and work just fine.  At the same time I tried it at multiple other networks that I have before (girlfriends and other friends houses) and could not connect with same issue.  Only place I can connect is my work wifi.
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    http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
    Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
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    ~~~~~~~~~~~~~~~~~~~~~~~
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    iPad: Issues connecting to Wi-Fi networks  http://support.apple.com/kb/ts3304
    WiFi Connecting/Troubleshooting
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    How to Fix: My iPad Won't Connect to WiFi
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    iOS: Connecting to the Internet
    http://support.apple.com/kb/HT1695
    iOS: Recommended settings for Wi-Fi routers and access points  http://support.apple.com/kb/HT4199
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    ~~~~~~~~~~~~~~~
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     Cheers, Tom

  • Unable to join network after 3.0.1

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  • TS1398 My i-phone model MD654LL/A serial F17JWNAF8H2 says "Unable to join the network "sunday".  This is my WIFI network I have had for years.   My I pad has no problem connecting, but not my i-phone. I just tried my daughter's i-phone and it has same pro

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    Reset your network settings. Settings>General>Reset>Reset Network Settings

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  • Ipad unable to join network

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    iPad: Issues connecting to Wi-Fi networks  http://support.apple.com/kb/ts3304
    iOS: Recommended settings for Wi-Fi routers and access points  http://support.apple.com/kb/HT4199
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     Cheers, Tom

  • My ipad mini is not connecting to the wifi network. I have the correct network and password chosen, but the message I get is that "unable to join". I have reset my ipad and it still says the same thing.  What can I do about this.

    My ipad mini is not connecting to the wifi network. I have the correct network and password chosen, but the message I get is that "unable to join". I have reset my ipad and it still says the same thing.  What can I do about this?

    Hey Dr kris,
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    Thank you.
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  • External callers unable to join conference calls

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    Function: CaaCall.EndTransfer
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    Local Time: 08/26/2014-18:28:36.161
    Sequence# : 0001BE31
    CorrelationId : 64624070
    ThreadId : 0BA8
    ProcessId : 0BB0
    CpuId : 0
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    Flag: TF_DIAG
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    Sequence# : 0001D265
    CorrelationId : 64624070
    ThreadId : 0BA8
    ProcessId : 0BB0
    CpuId : 2
    Original Log Entry :
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       at Microsoft.Rtc.Collaboration.Conferencing.SendCommandAsyncResult.ProcessCccpResponse(SipMessageData messageData, responsetype response, Boolean& isPendingResponse)
       at Microsoft.Rtc.Collaboration.Conferencing.SendCommandAsyncResult.ProcessStatusMessage(SipMessageData statusMessageData, responsetype response)
       at Microsoft.Rtc.Collaboration.Conferencing.StatusMessageReceivedWorkItem.Process()
       at Microsoft.Rtc.Signaling.AsyncWorkitemQueue.ProcessItems()
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       at Microsoft.Rtc.Signaling.QueueWorkItemState.ExecuteWrappedMethod(WaitCallback method, Object state)
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       at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack)
       at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)] m_conferenceID=[91127] m_conferenceUri=[sip:[email protected];gruu;opaque=app:conf:focus:id:4TPY99KF] InstanceID=[b64b9467-db72-41bb-a2b5-673d76777ea4]
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    Flag: TF_DIAG
    Function: CaaCall.HandleUnexpectedException
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    Local Time: 08/26/2014-18:28:36.226
    Sequence# : 0001D265
    CorrelationId : 64624070
    ThreadId : 0BA8
    ProcessId : 0BB0
    CpuId : 2
    Original Log Entry :
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       at Microsoft.Rtc.Signaling.SipAsyncResult`1.ThrowIfFailed()
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       at Microsoft.Rtc.Collaboration.AudioVideo.AudioVideoMcuSession.EndTransfer(IAsyncResult result)
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       at Microsoft.Rtc.Collaboration.Conferencing.SendCommandAsyncResult.ProcessCccpResponse(SipMessageData messageData, responsetype response, Boolean& isPendingResponse)
       at Microsoft.Rtc.Collaboration.Conferencing.SendCommandAsyncResult.ProcessStatusMessage(SipMessageData statusMessageData, responsetype response)
       at Microsoft.Rtc.Collaboration.Conferencing.StatusMessageReceivedWorkItem.Process()
       at Microsoft.Rtc.Signaling.AsyncWorkitemQueue.ProcessItems()
       at Microsoft.Rtc.Signaling.SerializationQueue`1.ResumeProcessing()
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       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack)
       at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)] m_conferenceID=[91127] m_conferenceUri=[sip:[email protected];gruu;opaque=app:conf:focus:id:4TPY99KF] InstanceID=[b64b9467-db72-41bb-a2b5-673d76777ea4]
    Component: CAAServer
    Level: TL_ERROR
    Flag: TF_DIAG
    Function: CaaCall.TransferCompletedQueued
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    Local Time: 08/26/2014-18:28:36.231
    Sequence# : 0001D269
    CorrelationId : 64624070
    ThreadId : 0BA8
    ProcessId : 0BB0
    CpuId : 2
    Original Log Entry :
    TL_ERROR(TF_DIAG) [2]0BB0.0BA8::08/26/2014-22:28:36.231.0001d269 (CAAServer,CaaCall.TransferCompletedQueued:caacall.cs(3739))[64624070]Call Transfer Failed. InstanceID=[b64b9467-db72-41bb-a2b5-673d76777ea4]
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    Level: TL_INFO
    Flag: TF_DIAG
    Function: DiagnosticUtils.TryCreateSignalingHeader
    Source: diagnosticutils.cs(269)
    Local Time: 08/26/2014-18:28:36.231
    Sequence# : 0001D268
    CorrelationId :
    ThreadId : 0BA8
    ProcessId : 0BB0
    CpuId : 2
    Original Log Entry :
    TL_INFO(TF_DIAG) [2]0BB0.0BA8::08/26/2014-22:28:36.231.0001d268 (CAAServer,DiagnosticUtils.TryCreateSignalingHeader:diagnosticutils.cs(269))Creating SignalingHeader for InstanceID=[b64b9467-db72-41bb-a2b5-673d76777ea4], header-name=[ms-diagnostics], header-value=[10010;Reason="Gateway
    side Media negotiation failed";Source="LYNC-FE.itprocare.com";component="MediationServer";sipresponsetext="Invite with Replaces failed because Gateway side reinvite failed.";DialogID="f94f35b9-7f5d-4bcd-94a8-de0fb2d8c4c6;df1bec7e24;24010080"]
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    TL_INFO(TF_PROTOCOL) [0]0DEC.0A48::08/26/2014-22:28:36.151.0001ac66 (SIPStack,SIPAdminLog::TraceProtocolRecord:SIPAdminLog.cpp(125))$$begin_record
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    Instance-Id: 00000688
    Direction: outgoing
    Peer: lync-fe.itprocare.com:51307
    Message-Type: response
    Start-Line: SIP/2.0 491 Invite with Replaces failed because Gateway side reinvite failed.
    From: <sip:[email protected];gruu;opaque=app:conf:audio-video:id:4TPY99KF>;tag=26f350618b;epid=6DF0663499
    To: <sip:[email protected];gruu;opaque=srvr:MediationServer:BMFt1DuKo1KYsGtnqeobCwAA;grid=9d179e4c3aeb4fd7aedd36d7853ad98b>;epid=26F55811B8;tag=2e6beef249
    CSeq: 5 INVITE
    Call-ID: af099053-d8aa-4ca4-9820-936e8522611c
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    ms-diagnostics-public: 10010;reason="Gateway side Media negotiation failed";component="MediationServer";SipResponseText="Invite with Replaces failed because Gateway side reinvite failed."
    ms-endpoint-location-data: NetworkScope;ms-media-location-type=intranet
    Message-Body: –
    $$end_record
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    Lync version is 2010, with the latest CUs applied.  All other calling appears to be working correctly.  The certificate on the servers are using the SHA1 algorithm (I have seen some similar issues discussed if this was not the case.)
    At this point, I have reached the end of my immediate troubleshooting skills with this system.  Can anyone offer any suggestions as to what might be going on here?
    Thanks for any help.
    -Tim
     

    Hi,
    Please check if the default gateway associated to the Mediation Server is up or not.
    Please check if Media traffic on the Gateway be blocked with the issue of wrong encryption. Make sure it is using SRTP (not RTP). If you use RTP, please change it and then test again.
    Best Regards,
    Eason Huang
    Eason Huang
    TechNet Community Support

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