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Thread: iPhone 11 abnormal behavior

  1. #1
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    Default iPhone 11 abnormal behavior

    Hello All,

    Anyone faced strange behavior with iPhone 11 lately ? frequent WCDMA drop in good radio condition , Voice quality freezing , VoLTE call quality , etc ? Please share your finding or possible analysis




    B
    R

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  4. #2
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    Default Re: iPhone 11 abnormal behavior

    Quote Originally Posted by electron View Post
    Hello All,

    Anyone faced strange behavior with iPhone 11 lately ? frequent WCDMA drop in good radio condition , Voice quality freezing , VoLTE call quality , etc ? Please share your finding or possible analysis




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    R
    We have similar issue especially Pro max that even receiver signal is weaker , contacted Apple support but they are careless responding which is big shit for Apple.

    BR
    RF engineer

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  6. #3
    Member Reputation: 19
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    Default Re: iPhone 11 abnormal behavior

    which tool does you use for testing voice service over iphone? or just your experience by using commercial phone?

    Quote Originally Posted by electron View Post
    Hello All,

    Anyone faced strange behavior with iPhone 11 lately ? frequent WCDMA drop in good radio condition , Voice quality freezing , VoLTE call quality , etc ? Please share your finding or possible analysis




    B
    R

  7. #4
    Member Reputation: 116
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    2008-08-17
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    Default Re: iPhone 11 abnormal behavior

    Hi all

    My last finding in IPHONE 11 Pro Max is too much / excessive service request / call.

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  9. #5
    Junior Member Reputation: 14
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    Default Re: iPhone 11 abnormal behavior

    My mobile service provider also encountered some customer feedback that the iPhone x / xs / 11 4G network was full but could not call and come!
    I used the "Field test" tool * 3001 # 12345 # * to test it, but it was difficult to "drive test". Do you have any mobile quality testing tool on your iphone to help me with this?thanks

  10. #6
    Junior Member Reputation: 14
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    2016-10-11
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    Default Re: iPhone 11 abnormal behavior

    I used tool "field test" * 3001 # 12345 # * but not pro

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