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How to update my ZTE Quartz?

When I try to do a software update on my zte quartz. It says data service unavailable.

Wait, I think that shows up because there's no update available. :)

It tells me the same thing. I have service and I have wifi.

Kevin B_6296

Sadly, I'm getting the same. I've been seeing online that there isn't a way to update it. Its a P.O.S phone. Even connected to wifi I get the same response. I have a good signal, same story.

Hi there. Are you connected to Wi-Fi or data network? Make sure you have a stable connection.

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