[Q] LTE/4G on ATT Galaxy S4 CM10 - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Experts,
LTE/4G has stopped working for me after I flashed CM10 from the stock image. Forum search indicated that's typically an issue with the APN settings and a simple change to the network preference would help, however everytime I attempted to change the network preference from CDMA preferred to LTE/GSM/CDMA it automatically changes back, using the pta APN disables (or just can't connect) the data at that point.
LTE works fine on stock image.
Could someone point me to the right direction? I've been googling for awhile looking for some guidance.

I'm in the same boat
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This:
https://jira.cyanogenmod.org/browse/CYAN-94
Seems to indicate that it's a known bug that hasn't been fixed yet.

Lte works for me as soon as I change the perfered band: lte/gsm/wcmma. Try changing the APN to att phone then switch to late preferred.

LTE works fine for me out of the box on today's nightly. 20130601

Related

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?
Click to expand...
Click to collapse
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?
Click to expand...
Click to collapse
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.

NetWork issues for GSM in overseas

I had been experiencing network issues since I started using it in malaysia. Its very sensitive to the network. Could only have coverage at certain area and the rest of the time network is unavailable. Tried all of the network mode but it's still d same. Any idea guys?
deswin93 said:
I had been experiencing network issues since I started using it in malaysia. Its very sensitive to the network. Could only have coverage at certain area and the rest of the time network is unavailable. Tried all of the network mode but it's still d same. Any idea guys?
Click to expand...
Click to collapse
Check different carriers to see if you can find one with more compatible bands.
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Not Getting 4G/LTE After Flashing KLTE ROM

So, this is probably a noob question, but I'm a bit rusty on the android thing
I flashed the KLTE ViperOS ROM and have only been getting 3G or no signal at all... What do I need to do to convert it to a KLTEVZW to get my 4G back?
In your phone dialer write *#*#4636#*#* and you will get something like this image.
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In phone info option you need to mark LTE/CDMA to get 4G LTE.
You were half right my friend, thank you for letting me know about the *#*#4636#*#*
I actually had it set already to LTE Auto like you show, but for some reason, my "Select Radio Band" wasn't set to United States. I tapped USA and instantly got 4G

OnePlus 6T: LTE Only Option in "Preferred network type"

Not sure if this has been asked before, but is there a way with root access one can add the 4G/LTE Only and 3G Only options under the 'Preferred network type' menu.
I know you can use the codes to force LTE only but I would like a way to add them as official menu options.
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Install a custom AOSP based ROM They have all the different radio networks built-in. Sorry, I know this doesn't really help you on stock but I figured I'd let you know anyway.
*#*#4636#*#*
About as custom as you can get without custom rom.

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