Unlock s4 to work with 4g on AT&T - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

Is there a way to make the sph-l720 a 4g I know there is a rom that can make it 4g unlocked but you'll have to downgrade to 4.3 touchwiz stock rom by T-Mobile

jellomonster54994 said:
Is there a way to make the sph-l720 a 4g I know there is a rom that can make it 4g unlocked but you'll have to downgrade to 4.3 touchwiz stock rom by T-Mobile
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The L720 doesn't support those 4G bands, it won't work ever as far as I know
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bilgerryan said:
The L720 doesn't support those 4G bands, it won't work ever as far as I know
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http://forum.xda-developers.com/galaxy-s4-sprint/general/l720-l720t-gsm-unlock-att-tm-t3189063
that is what i found here but i dont know if its true 4g or just edit to show 4g

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Speed test on At&t and T-Mobile

Which speed its better? I am looking to pick up a new i9500 but I want to know what carrier will be better with it. Either way I be only on hspa+, no lte. Which I don't care much for any ways. Let s chime up for the new i9500 owners. Let us know.
Sent from my GT-I9100 using xda app-developers app
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This is a i9500 on T-Mobile.
Edit disregard...just noticed you dont want lte speeds...
Sent from my SAMSUNG-SGH-I337 using Tapatalk 2
Anyone else? I am also interested in what speeds people are getting on At&t network with the i9500.

Help with jellybean 4.3

For some reason I can't get LTE to work with jellybean.
I tried 2 diff roms, pacman rom and AOKP
I am on ATT and live next to NYC.
I have an S4
What do i do?
ON Stock TouchWiz and GoldenEye rom TW based I get LTE fine.
I changed the settings to everything with LTE in it and still no LTE.
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Have you tried different apn settings?
Kaze105 said:
Have you tried different apn settings?
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yes.
You are showing CDMA, that is strictly Sprint network. Golden eye? which version? It would also help if you would name what device you have, ie att, tmo.

KK 4.4.2 Q

I Flashed 4.4.2 and everything is fine. But only me have missing LTE? Now in options I see only 2G and 3G. In my country my T-Mobile don't support LTE. Maybe that's why i don't have LTE option?
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GoSu2KL said:
I Flashed 4.4.2 and everything is fine. But only me have missing LTE? Now in options I see only 2G and 3G. In my country my T-Mobile don't support LTE. Maybe that's why i don't have LTE option?
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hi ,
yes that is quite right ,
if service provider supports it and phone is LTE capable it will show in menu.!
Thanks for fast reply, and sorry for big screenshot.

help on re flashing different rom

Hi have a Sprint samsung s4 want to re flash wit tmobile firmware will this work
airintak25 said:
Hi have a Sprint samsung s4 want to re flash wit tmobile firmware will this work
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It won't unlock your phone to T-Mobile if that's what you mean.
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how about if i unlock is first the flash tmobile firmware thanks
airintak25 said:
how about if i unlock is first the flash tmobile firmware thanks
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Don't know, I would make a full backup first, Odin might not even allow you to flash it.

4G LTE/LTE+ in Europe with US version

Hey,
I bought galaxy s8 US unlocked version while traveling in USA it was flawless there, now I'm back in Europe. Everything works just fine except mobile internet. I can't get 4G LTE+ and having only LTE, which is slow comparing to LTE+. So I checked if there could be a problem with frequencies in willmyphonework.net.
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It says that there shouldn't be any problems, so now I'm confused, maybe this is software problem, I mean maybe I need my region firmware in order to use 4G LTE+ internet, any ideas or suggestions?
Thanks

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