I recently switched from Unlocked Lumia 620 to Unlocked Lumia 820 (AT&T) but I am on the T-Mobile network. I am in Dallas area and I get full 4G/LTE network on T-Mobile. Speed tests consistantly shows data speeds more than 15MBPS. Which is awesome.
What I miss though I do not see the connection dropdown in the Settings -> Cellular -> Connection Speed to select either 4G-3G or 2G. Sometimes at work when I do not get good signal deep inside the building I would like to switch it down to 3G or even 2G to conserve some battery. I do have the latest 1314 firmware on it.
Did AT&T disable it? Is there anyother way to get this working?
What I miss though I do not see the connection dropdown in the Settings -> Cellular -> Connection Speed to select either 4G-3G or 2G. Sometimes at work when I do not get good signal deep inside the building I would like to switch it down to 3G or even 2G to conserve some battery. I do have the latest 1314 firmware on it.
Did AT&T disable it? Is there anyother way to get this working?
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