LTE on Custom Roms not working (MVNO) - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

Hello, I moved from Ting to a new Sprint MVNO called "Wing". While I thought the move was smart because I am saving money, I now can only use my LTE data on stock ROMs and am restricted to EvDo on anything else. Does anyone know what might be the cause or how I can fix this?
I've tried messing with APN settings and using old methods like MVNOSlayer but these don't seem to work for this new MVNO. Any help is appreciated.

Related

Who has an infuse on t-mobile?

I NEED HELP! I'm on an unlocked and rooted AT&T Infuse in the US with T-Mobile sim. Everything had been working great with the phone and I elected to flash UCLB Gingerbread. This ROM is great but I have found my MMS does not work nor can I get a data connection. I'm looking to share APN setting information with someone that currently uses an Infuse with TMo service...I've tried so many APN's and NOTHING works...I'm also reading in some articles there may be a primary APN for the DATA and a secondary 'backdrop' APN for MMS...If anyone can help I'd greatly appreciate it.

Verizon Galaxy S5 APN settings greyed out.

I have looked all over the forum for a reliable answer but have not found one. I have a Verizon Galaxy S5 that I am running on the Straight Talk Verizon 4G network. I would like to change the APN settings to reflect the Straight Talk settings rather than the Verizon settings but everything about the APN settings is greyed out and nothing can be changed or added. The + sign is also greyed out which does not allow me to enter a new APN. I am running Lollipop OS on the phone.
Any help on solving this problem would be greatly appreciated.
The straight talk service uses the verizon towers because you have a verizon sim, i dont understand what you mean by reflect the straight talk settings? Just curious what you're trying to do because I have APN issues on certain roms and someone just helped me to where i was able to get the right settings....

Is there a way to port a rom from another carrier (ex: tmobile or verizon) to sprint?

Just wondering as the g900t (tmobile variant) seems to have the biggest selection of roms and has basically the same specs as the g900p (sprint varient). Preferably have data and sms and calling and all that good stuff working (on sprints network). Any response is helpful as I am not a dev myself and dont know if it is possible to do anything like this. Thanks in advance!

SM-G900P on Straight Talk (AT&T)

Hi everyone,
I've been a lurker of this site for a little while now, so thank you all for your productivity and guides (If I can get this to work, I will create a guide myself to share ) I recently purchased a Brand New Sprint Galaxy S5 (SM-G900P) with the hopes of unlocking it and using it on Straight Talk AT&T's network. I've made incredible progress so far, but I feel like I'm missing something. Up to this point I've spent countless hours online reading about this device and troubleshooting it.
Current Issue: Phone will not contact any GSM network. I have the sim card in and it just says no service. I know this is only on GSM networks because I disabled all CDMA bands using DFS. All AT&T bands are active and I believe the Galaxy S5 supports almost every band available. APN Settings are set correctly.
Things I have done / tried:
Using Cyanogenmod13 KLTE ROM, Cyanogenmod12.1 SPR ROM, Unofficial CM13 SPR ROM. Also, tried using a "stock?" 4.4.4 ROM that was a little glitchy, but worked nonetheless (tried using SSU.apk here, but afterwards it seemed to sim-lock my phone by giving "Invalid SIM"
Phone unlocked with IDoneApps (no more invalid sim) IDoneApps says its for International and Domestic.
I paid for a Network Access Code and registered the phone with Straight Talk and attempted to transfer the service over (not sure if this is necessary as I am using a GSM SIM, which still works fine in my other phone, perfect service)
Also, on the stock ROM it keeps trying to "Activate the device" and won't be able to. Sometimes the phone goes into roaming and when I call it sends me to Verizon Wireless Customer Service (not sure why on this)
Phone will receive service fine when set to Automatic or CDMA LTE. If I attempt to call a phone I will get "Your account is not authorized to make calls to this phone number" with a mans voice.
-Do I need to do something with Sprint to go forward?
SOLVED IT:
Had to enable the "GCF Setting" on the phone.
YouTube Video: "How to enbale GFC settings on any Samsung Galaxy " - This guide worked flawlessly.
Now all I need to do in order to have perfect service on this SM-G900P on AT&T is to enable the rest of the AT&T LTE Bands on it.
Hey, I know this is necro'ing but I hope you are still around.....
I'm in the same situation as this post right now...I have have a SM-G900P (Sprint Galaxy S5), now activated through Straight Talk, but my data doesn't work when using CM13. I was wondering more what you mean by your GCF settings and maybe some quick tips to get 4G/LTE while on CM (Preferably 13+). Stock Rom I get LTE just fine, but for some reason it gives me this *FUGLY* Creedo mvno app suite when I do a fresh restore of stock rom, and just the whole touchwhiz thing sucks in general. I'd much prefer CM or any other custom ROM that cuts out the BS but gives me data.
Phweak said:
Hey, I know this is necro'ing but I hope you are still around.....
I'm in the same situation as this post right now...I have have a SM-G900P (Sprint Galaxy S5), now activated through Straight Talk, but my data doesn't work when using CM13. I was wondering more what you mean by your GCF settings and maybe some quick tips to get 4G/LTE while on CM (Preferably 13+). Stock Rom I get LTE just fine, but for some reason it gives me this *FUGLY* Creedo mvno app suite when I do a fresh restore of stock rom, and just the whole touchwhiz thing sucks in general. I'd much prefer CM or any other custom ROM that cuts out the BS but gives me data.
Click to expand...
Click to collapse
no worries about necro'ing a thread, im not sure why some folks get bent out of shape about it :/ anyways, what service provider are you using via straight talk? they use all of the major 4 (vzw, at&t, tmob and sprint)
the basic answer to your question is APN settings. did you ever have data working with str8 talk? if so, your gcf settings dont need to be fiddled with, if not, then you have some tinkering to do. not at all difficult really, just some button presses
youdoofus said:
no worries about necro'ing a thread, im not sure why some folks get bent out of shape about it :/ anyways, what service provider are you using via straight talk? they use all of the major 4 (vzw, at&t, tmob and sprint)
Click to expand...
Click to collapse
Well, the only band that identifies when I actually have a working data connection (tops I get is 3G) says Sprint. So I think that's who they're routing me through. I'm not a total rookie when it comes to this, but I don't know how to change the radio bands outside of what apps like Radio Switcher do (which actually just gives me a short cut to quasi-service mode settings in CM).
I get the cell data to read LTE on stock, but it's gross touchwiz and it never seems to get GOOD signal, two bars of LTE was the most in Milwuakee suburbs, an area I'd assume would be swimming in 4G/LTE. I'd much rather use CM for the customization (or any more "purer" android ROMS). If I select CMDA auto PRL I get a solid 3G and all voice/text/data services work. But any other option that includes LTE drops my data entirely.
Edit: I just realized I repeated myself lol. I've made a few posts on various forums about this. Kind of forgotten what info I've provided where. Sorry for the redundancy.
Phweak said:
Well, the only band that identifies when I actually have a working data connection (tops I get is 3G) says Sprint. So I think that's who they're routing me through. I'm not a total rookie when it comes to this, but I don't know how to change the radio bands outside of what apps like Radio Switcher do (which actually just gives me a short cut to quasi-service mode settings in CM).
I get the cell data to read LTE on stock, but it's gross touchwiz and it never seems to get GOOD signal, two bars of LTE was the most in Milwuakee suburbs, an area I'd assume would be swimming in 4G/LTE. I'd much rather use CM for the customization (or any more "purer" android ROMS). If I select CMDA auto PRL I get a solid 3G and all voice/text/data services work. But any other option that includes LTE drops my data entirely.
Edit: I just realized I repeated myself lol. I've made a few posts on various forums about this. Kind of forgotten what info I've provided where. Sorry for the redundancy.
Click to expand...
Click to collapse
i dont have any experience with the sprint flavor of straight talk service, but it should be on the same LTE bands as normal sprint. shouldnt have to monkey with anything tho. ill have to look more when i get home
Phweak said:
Well, the only band that identifies when I actually have a working data connection (tops I get is 3G) says Sprint. So I think that's who they're routing me through. I'm not a total rookie when it comes to this, but I don't know how to change the radio bands outside of what apps like Radio Switcher do (which actually just gives me a short cut to quasi-service mode settings in CM).
I get the cell data to read LTE on stock, but it's gross touchwiz and it never seems to get GOOD signal, two bars of LTE was the most in Milwuakee suburbs, an area I'd assume would be swimming in 4G/LTE. I'd much rather use CM for the customization (or any more "purer" android ROMS). If I select CMDA auto PRL I get a solid 3G and all voice/text/data services work. But any other option that includes LTE drops my data entirely.
Edit: I just realized I repeated myself lol. I've made a few posts on various forums about this. Kind of forgotten what info I've provided where. Sorry for the redundancy.
Click to expand...
Click to collapse
Ok, I reread your op and it said that you're using at&t. Are you sim unlocked? If not, Mr @stifilz, do you think you could hook this guy up? He has a proven track record of unlocking S5s
Just a heads up I'm not OP, that's @aventurer. I just happened to find a very similar situation. Probably changes your train of thought but for what it's worth in my situation, the phone sim came from Sprint originally, and the Straight Talk people said they use that sim to connect to the LTE bands.

Straight talk + custom rom = no 4G LTE?

I started flashing custom roms this week, because I was bored. I have tried several CrDroid which I really like, TruPureXMM, and Dirty Unicorns. No matter what I do I cannot get 4G, I get 3G no problem. I'm using the verizon CDMA LTE sim, and 4G worked perfectly before I started flashing roms.
Is there anything I can do? I have tried searching, but haven't found any answers
Check and make sure your APN settings are correct.
As far as I can tell they are. it imported APN settings from the sim card. Do you have the correct APN settings?
allenrb2 said:
I started flashing custom roms this week, because I was bored. I have tried several CrDroid which I really like, TruPureXMM, and Dirty Unicorns. No matter what I do I cannot get 4G, I get 3G no problem. I'm using the verizon CDMA LTE sim, and 4G worked perfectly before I started flashing roms.
Click to expand...
Click to collapse
You did enter in the 4g LTE code that came on its own separate gray card right? If so, call em up and have them switch your account over to the AT&T sim card that you should also have. That's what I'm running and its never not had LTE.
I don't have the other sims, plus AT&T sucks around here. I haven't called them, because they need you to have another phone, and unless I'm at work I don't normally have access to a phone. Maybe I can go by my brother's today, since it's my only day off this week.
I've had the same problem as well. I've moved around to some many ROMs but i found one that works http://forum.xda-developers.com/moto-x-style/development/rom-resurrectionremix-v5-6-2-t3301393
I'm downloading now, and hoping it works for me too
just another waste of time
Even going back stock I'm only getting 3G. I guess i'm going to have to call stupid Straight Talk
Have you made sure that the radio is set to LTE/CDMA/GSM auto (PRL)? To check type *#*#4636#*#* in the dialer and hit phone information. If it does not have the right setting under "Set preferred network type:" it can cause this issue.

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