HELP! Flashed Lumia 710 no 4g

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I flashed my Lumia 710 Tmobile US, to Windows 7.8 with no problem. However For some reason It won't allow me to enable 4g. I have tried another Rom from a country with the same freq as tmobile, still no fix. I am flashing using navifirm and nokia care suite. Would it be easier to use a custom rom?

Originally Posted by ok52989@gmail.com

I flashed my Lumia 710 Tmobile US, to Windows 7.8 with no problem. However For some reason It won't allow me to enable 4g. I have tried another Rom from a country with the same freq as tmobile, still no fix. I am flashing using navifirm and nokia care suite. Would it be easier to use a custom rom?

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Greetz,

Originally Posted by ok52989@gmail.com

I flashed my Lumia 710 Tmobile US, to Windows 7.8 with no problem. However For some reason It won't allow me to enable 4g. I have tried another Rom from a country with the same freq as tmobile, still no fix. I am flashing using navifirm and nokia care suite. Would it be easier to use a custom rom?

Are you sure it's not running at full speed? In the US the definition of 4G is different to the rest of the world, essentially due to a marketing ploy. Everywhere else, the 710 is not considered a 4G device as it doesn't support LTE. TMobile USA uses HSPA+, the same as 3UK I think, which is considered by the majority as a "3G transitional" technology. It isn't too unlikely that the ROMs you have loaded haven't been modified for the US market and so label "4G" as "3G".

Hope this helps!