No LTE on a GE rom - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

Maybe you guys can help... I downloaded this rom http://forum.xda-developers.com/showthread.php?t=2341026 and rolled the dice and installed it on my SPH-L720. After battling com.android.phone FCs I was able to get 3G working by changing settings in #4636# but, I was not able to get LTE. I posted the question in the ROM's thread but, no one has answered yet. Does anyone have any advice on how to get it working? It would be nice to get it to work on our phone as everything worked perfect except LTE.

Have you searched for the correct APN's and checked to see if they're correct?
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btoddweber said:
Have you searched for the correct APN's and checked to see if they're correct?
Sent from my SPH-L720 using XDA Premium 4 mobile app
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Yeah, I am having trouble finding the APNs for LTE.

Related

Radio Baseband Flash

Has anyone ran across an update zip to update the phone radio to mdl from mdb in cwm?
Thanks
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neo4uo said:
Has anyone ran across an update zip to update the phone radio to mdl from mdb in cwm?
Thanks
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This is the AT&T forum... but I'll look for you...
You've got to keep in mind though, there isn't a modem thread for AT&T, so I don't know about Skrint, but I'll look for you..
EDIT- Your info says Skrint
DirtyOldMan said:
This is the AT&T forum... but I'll look for you...
You've got to keep in mind though, there isn't a modem thread for AT&T, so I don't know about Skrint, but I'll look for you..
EDIT- Your info says Skrint
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You did see that this thread was sent from my SGH-I337? I will change my profile to reflect ATT, thanks for pointing that out. Maybe I will extract the radio files and start a thread since it hasnt been adressed yet. Thanks for responding so quickly
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neo4uo said:
You did see that this thread was sent from my SGH-I337? I will change my profile to reflect ATT, thanks for pointing that out. Maybe I will extract the radio files and start a thread since it hasnt been adressed yet. Thanks for responding so quickly
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Yea I saw... Theres no modem zip or OTA.... I'm downloading the entire flash I'll pull the modem and make it flashable...
You the man!!! My computer is not hooked up and my wife woke me up way to early getting this morning and I have yet to have a sip of coffee yet lol.
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Download is ridiculously slow... But I'll build... And others...
DirtyOldMan said:
Download is ridiculously slow... But I'll build... And others...
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Be sure to let me know when you g9t it done You need to start a dev thread since there isnt one yet. I am suprised there isnt one yet.
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neo4uo said:
Be sure to let me know when you g9t it done You need to start a dev thread since there isnt one yet. I am suprised there isnt one yet.
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I will... I've managed to pull everything from my phone.... And had to reboot into Linux... I have to download it again... Just bear with me...
Success with MDB... Working on MDL...
Done....
http://forum.xda-developers.com/showthread.php?t=2318233

Cm 10.1.3 no 4g

I decided to give cm10.1.3 a try now that it is stable. I've flashed cm on many devices without trouble including this s4. But this time when the phone booted, I had LTE displayed as connected in the status bar but couldn't get any throughput. 3g works fine when I switch to CDMA only. So as a test I flashed 10.2 nightly (which I have run before without issues) and no LTE with it either. So I dug up an old 10.1 nandroid which was fully backed in good shape and holy crap!! No LTE!!! So I flashed back to touchwiz nandroid and LTE works fine. What's up. Very weird. Any ideas.
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Same here I'm having troubles with LTE on my s4 running the latest version of beanstalk ROM and I live in a LTE area and have always have been able to get LTE. Any ideas?
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No..I tried re-downloading the ROM from other sources. Still 4g connects but is super slow. Like 5 mins to open a web page. I have great 4g coverage at home usually. 3g Is working good though.
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Im not sure but try a apn back up on stock rom, then reflash cm.
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Thanks gottablunt..will try that and post back
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Apparently you can't backup APN on 4.x ROMs? Not without purchasing titanium backup at least
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So I figured it out. 4g wasn't working because I'm an idiot and was wiping everything including system. Didn't realize there were settings that need to be left for cm to connect. At least that's the only reason I can think of. Hope this helps someone else so its not a total waste of forum space.
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I wiped my system a few days ago when I was flashing the latest beanstalk build, that explains why late isn't working. What should I do to fix it?
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If you have a backup of stock or another touch wiz ROM, flash back to that. Then boot into recovery, and do a factory restore. That will wipe data,cache,and dalvic, but leave the system intact. Then just flash cm or other aosp rom and reboot. Should be good to go!
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Thanks so much man LTE is back for me finally
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Glad it worked out!
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prc292 said:
If you have a backup of stock or another touch wiz ROM, flash back to that. Then boot into recovery, and do a factory restore. That will wipe data,cache,and dalvic, but leave the system intact. Then just flash cm or other aosp rom and reboot. Should be good to go!
Sent from my SPH-L720 using xda app-developers app
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Just wanted to report that I came in here with the exact same problem and this fixed it for me as well. I was running the Pac Rom nightly and was pulling my hair out trying to figure this out. I too had formatted system just by force of habit. Maybe this should be mentioned in install tutorials not to do that.

[Q] Help!! my mobile network is not working

Hello my mobile networl is not working so I cant text voice or use my data im running sacs rom version 7.2 and I have flashed multiple roms and I still not getting any mobile network what can I do???? I already done a factory dqta reset help!!!
miguelmedina1993 said:
Hello my mobile networl is not working so I cant text voice or use my data im running sacs rom version 7.2 and I have flashed multiple roms and I still not getting any mobile network what can I do???? I already done a factory dqta reset help!!!
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Try ##72786# on dialer pad. Btw wrong place to questions.
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Thank you so much dude. What was wrong with my network? And what the right section to post questions?
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Questions....
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miguelmedina1993 said:
Thank you so much dude. What was wrong with my network? And what the right section to post questions?
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There could be numerous reasons whag may caused it really but that just re-establishes your connection and re-activates your phone with sprint network. And at Q&A, Troubleshooting

[Q] Hyperdrive ROM for MK2.

Im running a Safestrapped MK2. I'd love to run Hyperdrive. Which version should I use? I see people pointing others to the verizon thread all the time. There is a link titled "Safestrap" over there. But it also tells you to download and use the AT&T compatibility pack with it, and for those of you who don't know. There is no link to a compatibility pack there.
This one.
http://forum.xda-developers.com/showthread.php?t=2520418
Look down at post #2 or click this.
http://www.mediafire.com/download/76tzgjy11t0chxz/ATT Hyperdrive Compatability Pack 4.3 RLS12.zip
That's the ATT compatibility pack.
Don't forget the modules to get wifi and bluetooth working.
http://forum.xda-developers.com/showthread.php?p=48946051&highlight=mk2+modules#post48946051
Enjoy.
djpuma said:
This one.
http://forum.xda-developers.com/showthread.php?t=2520418
Look down at post #2 or click this.
http://www.mediafire.com/download/76tzgjy11t0chxz/ATT Hyperdrive Compatability Pack 4.3 RLS12.zip
That's the ATT compatibility pack.
Don't forget the modules to get wifi and bluetooth working.
http://forum.xda-developers.com/showthread.php?p=48946051&highlight=mk2+modules#post48946051
Enjoy.
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Awesome! thanks!
Jamesyboy said:
djpuma said:
This one.
http://forum.xda-developers.com/showthread.php?t=2520418
Look down at post #2 or click this.
http://www.mediafire.com/download/76tzgjy11t0chxz/ATT Hyperdrive Compatability Pack 4.3 RLS12.zip
That's the ATT compatibility pack.
Don't forget the modules to get wifi and bluetooth working.
http://forum.xda-developers.com/showthread.php?p=48946051&highlight=mk2+modules#post48946051
Enjoy.
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Awesome! thanks!
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Ah ha! This is the problem. All the links he gave you were correct, except the link for the ROM itself.
This is the correct link: RLS12 Safestrap
If you have trouble downloading, look for Mirror #20. It worked great for me.
By any chance has as anyone used this rom in stock slot without error?
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cyrusalmighty said:
By any chance has as anyone used this rom in stock slot without error?
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Yes
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[email protected] said:
Yes
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Ok. If you remember how you did it would you be able to share your experience please? I am still on mf3 and have listened to many people who claim its not worth going to 4.3/mk2. Honestly I stopped using Safestrap, because I didnt want to divide my internals space to add another alot. I tried a couple roms in slot 1 but really like the way Hyperdrive looks. By the way...did the note 3 launcher work for you or did you use the s4 touchwiz launvher option in aroma? Thanks.
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cyrusalmighty said:
Ok. If you remember how you did it would you be able to share your experience please? I am still on mf3 and have listened to many people who claim its not worth going to 4.3/mk2. Honestly I stopped using Safestrap, because I didnt want to divide my internals space to add another alot. I tried a couple roms in slot 1 but really like the way Hyperdrive looks. By the way...did the note 3 launcher work for you or did you use the s4 touchwiz launvher option in aroma? Thanks.
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Idk I like the Google edition Roms because its close to stock and you can flash gpe Roms on mf3. I'm running shostock right now but I had HD12. You have to download HD from the Verizon forum under the safestrap version then do the necessary steps to run it in safestrap like any other ROM. I would create a ROM slot first and test it out, you have to input att APN settings to get data to work and flash mk2module to get WiFi to work. Yes note 3 launcher works but I just used nova launcher over it.
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[Q] Verizon Developer Edition ROM Help

Hey guys I flashed this rom on my S5 with TWRP the ROM works great I know its just for the GSM Variant but is there anyway we can get it to work with the CDMA Version. I flashed it and I didnt get any forced closes the rom felt alot smoother and faster than the regular version but I could not get the internet to work. Wifi does work and so does making calls. The settings in APN are correct but as much as I tried I could not get the Data to start working. Has anyone else tried this yet?
http://forum.xda-developers.com/showthread.php?t=2732110
It may be helpful to look in the android development section for instructions on porting ROMs. It may be fairly easy. You could also politely ask the developer if they'd be willing to make a vzw version.
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Cool thanks will do.
Have you added the correct apns file back?
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Versatile1 said:
Have you added the correct apns file back?
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Yea when you go to the APN settings the correct ones are set already.
Did you swap the lib files for ril like some people in that thread?
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Versatile1 said:
Did you swap the lib files for ril like some people in that thread?
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No I didn't I only searched the forum for any mention on Verizon to see if anyone had done it before me. I will check on that I don't even know what that is. But I will check it out thanks bro.

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