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A comment on AT&T will put a fake 5G logo on its 4G LTE phones. Parent comment

Re:AT&T will put a fake 5G logo on its 4G LTE phones by izacus on Saturday December 22, 2018 @06:33AM (#18740141)
That can also happen if the phone switches between network types when calling - e.g. for a long time you couldn't call over LTE, so your phone switched to UMTS (3G) or GSM (2G) network to make and receive phone calls.

So you could have excellent service for data and still lose signal for calls.

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Re:AT&T will put a fake 5G logo on its 4G LTE phones by kop316 on Saturday December 22, 2018 @09:36AM (#18740725)
That makes sense too. I thought that also at that time that LTE was relatively new, so in theory, the UMTS or GSM would have a stronger signal than LTE, which would have meant my calls would be fine.
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