Mobile data connection only 4G on Samsung S4 mini Duos - Android Q&A, Help & Troubleshooting

Hello!
I'm from Venezuela, I need help.
Buy a second-hand cell phone, which works only with 4G lte data connection, does not connect me to 2G, 3G, 3G +.
In the configuration that it brings when I bought it, I get it in the version of the room is GT-I9195 and this is the I9192 DUOS.

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I bought samsung galaxy Gt I9100 from India and now im in usa. I got a prepaid tmobile card from usa with unlimited text , web and talk. when i switch mobile internet it shows as 2 arrows on top . I ve selected the network mode to automatic. Now i dont know how to switch on 3g and what signs it shows on the phone?/
KINDLY HELP GUYS..
crazyykw said:
Hi guys!!
I bought samsung galaxy Gt I9100 from India and now im in usa. I got a prepaid tmobile card from usa with unlimited text , web and talk. when i switch mobile internet it shows as 2 arrows on top . I ve selected the network mode to automatic. Now i dont know how to switch on 3g and what signs it shows on the phone?/
KINDLY HELP GUYS..
Click to expand...
Click to collapse
GT-I9100 will NEVER get better than an Edge connection (shown as an "E" by your signal indicator) on T-Mobile USA's network, because it doesn't have the hardware to receive the right frequencies to do so. To get 3g or faster speeds (shown as "3G", "H", or "H+" by your signal indicator) in the US, you will need to be on AT&T's network, or another carrier that uses the same frequencies.

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