Over the past week, I'm unable to receive or make voice calls from my Galaxy S4 phones over 4G LTE in the heart of Phoenix, AZ (32nd St and I-10). Calls will work if the phones are switched to GSM only mode, or I drive down the freeway a mile. Two different handsets exhibit the same problem.

    I've had no problems over the past couple of years. I work in the affected area which is a major problem. I've submitted trouble tickets to tmobile engineering and I'm waiting for response.


    Are others experiencing this problem on tmobile, or in this area in Phoenix?

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