Develop Bugs

[Q] wi-fi not working with custom roms - possible Temp fix

I have searched for this for a long time and have found nothing on it
when I install anything other than stock I can not connect to wi-fi
it says the signal is great but will not connect to any - tries to connect - says it is obtaining IP address then fails
I have gone back and installed stock modems but still the same thing - I have tried several different ROMS including paranoid and CM
when I go back to stock it works great
any Ideas?
possibly fixed - still testing
typed in *#197328640#
hit menu and chose wi-fi
it brings up the wi-fi info and an off-on button -wi-fi power saver mode - click off and it connected as soon as i did that
not sure why but i will play with it some more - i am running a stock MA5 7105 based rom
pa3 now works - had to go into settings - wi-fi- advance - keep wi-fi on during sleep - turn to never then back to always - it connected right away
its the wi-fi power saver mode that i turned off and it has to be redone at each reboot
now that I have figured out that its a problem with the wi-fi power saving mode - and that it must be reset each reboot - anyone have any ideas on how to fix it?
not sure if a script could be ran automaticaly at boot to reset it so that i would not have to go in and do it manually each time
I have no Idea even how to write one

Re: [Q] wi-fi not working with custom roms
Jedi master has wifi calling. And it works.
Sent From Land Of Ooo. Using a Jedi Mastered Note 2.

Kernel?
m936a2 said:
I have searched for this for a long time and have found nothing on it
when I install anything other than stock I can not connect to wi-fi
it says the signal is great but will not connect to any - tries to connect - says it is obtaining IP address then fails
I have gone back and installed stock modems but still the same thing - I have tried several different ROMS including paranoid and CM
when I go back to stock it works great
any Ideas?
Click to expand...
Click to collapse
What kernels are you using?
So far Perseus Kernel has been the most reliable and snappiest kernel but will not work with CM10 or AOSP. Perseus and Jedi roms have been great combos. I didn't like the Saber kernel as I had issues with the 5 ghz band, as well as in and out Wi-Fi connectivity.
Today I'm going back to AOSP hoping they've added some features since the unofficial days, combined with the FORCE Kernel.
ALSO: Make sure you fully wipe your device when changing roms. It's not common for most people, but I format every partition when flashing. I have run into way fewer problems with that approach, but make sure you don't accidently reboot your device before flashing. You'll have to odin flash at that point.

m936a2 said:
I have searched for this for a long time and have found nothing on it
when I install anything other than stock I can not connect to wi-fi
it says the signal is great but will not connect to any - tries to connect - says it is obtaining IP address then fails
I have gone back and installed stock modems but still the same thing - I have tried several different ROMS including paranoid and CM
when I go back to stock it works great
any Ideas?
Click to expand...
Click to collapse
I think I know the Answer to your issue!.. Check out the Threads I stared, by clicking on my profile , in the SGS4G Forum..
http://forum.xda-developers.com/showthread.php?t=1957920
Or try these two things.
1)If you are using WPS Connection Make sure you are holding Your WPS button for at least ten seconds before releasing it to ensure you "have it scanning Your Devise".. it had been so long for me between stock and custom I "Thought it only took 2 seconds..
2) AND MOST LIKELY YOUR ISSUE.. If you were using a "Password" and entering it forget entering it. The "Password" is no longer "working"
Instead. Click on your Wifi Icon on your laptop or PC. Then Left click Your Wifi Connection. Now Right click Properties. Now CHECK the box under network security key (you will have to be an Administrator to do this) and you will see YOUR WIFI SECURITY KEY ie (aed566fgd1cbi34hjk77i) and input that in as Your Password instead of the "old" Password you had which could have been your dogs name or your first cars name..
Sorry for the lack of technical directions..
Your password (I think) is no longer what you set it as. IT IS as what shows in your WIFI Properties Network Security Key on your Laptop/PC.
Let me know please.

not looking for wi-fi calling - trying to figure why the wi-fi will not connect to my home wi-fi when installing custom roms I know the WEP password by heart and have tried several Roms - stock works - custom does not - I always do a clean install - I have had several androids - all rooted and find a clean install tends to work better - its not something installed later (apps) as it will not log in when i am setting up at first start up or after rebooting
I shut down wi-fi security on my router - still can not connect to it when open - tried 2 different custom roms
I am going to try a stock based custom rom and see if the problem continues - all the ones i tried are 4.2 ports or based on at&t roms
Frosty - based off stock LL4 works
JediX - based off 7105 rom does not work for me

none of the "stock" 7105 roms from teshxx are working for me - they install great - everything works but can not connect to any wi-fi

Re: [Q] wi-fi not working with custom roms
m936a2 said:
I have searched for this for a long time and have found nothing on it
when I install anything other than stock I can not connect to wi-fi
it says the signal is great but will not connect to any - tries to connect - says it is obtaining IP address then fails
I have gone back and installed stock modems but still the same thing - I have tried several different ROMS including paranoid and CM
when I go back to stock it works great
any Ideas?
Click to expand...
Click to collapse
While the phone is trying to connect to WiFi, unplug the router and plug it right back in, WiFi should allow you to connect when it's done resetting
Sent from my SGH-T889 using xda app-developers app

Re: [Q] wi-fi not working with custom roms
Could be a problem that started at root. I would odin back to stock reroot then try again. If it was settings or user error you would be making the same mistakes on stock roms. But you say it works on stock roms so it would seem that's not the case.
sent via note 2 in boss mode @ quad core 2 ghz

tgamble160 said:
Could be a problem that started at root. I would odin back to stock reroot then try again. If it was settings or user error you would be making the same mistakes on stock roms. But you say it works on stock roms so it would seem that's not the case.
sent via note 2 in boss mode @ quad core 2 ghz
Click to expand...
Click to collapse
I will try that tonight - thanks - I love paranoid roms - i have it on both my other phones(vibrant and sensation) and would like to get it working on my note

Re: [Q] wi-fi not working with custom roms
m936a2 said:
I have searched for this for a long time and have found nothing on it
when I install anything other than stock I can not connect to wi-fi
it says the signal is great but will not connect to any - tries to connect - says it is obtaining IP address then fails
I have gone back and installed stock modems but still the same thing - I have tried several different ROMS including paranoid and CM
when I go back to stock it works great
any Ideas?
Click to expand...
Click to collapse
It def sounds like a issue with root or u have a bad phone internal.
Sent from my SGH-T889

Re: [Q] wi-fi not working with custom roms
m936a2 said:
I will try that tonight - thanks - I love paranoid roms - i have it on both my other phones(vibrant and sensation) and would like to get it working on my note
Click to expand...
Click to collapse
I'm serious though... for years now, whenever I try to connect to WiFi after not being on it for a set amount of time, I'll try to connect and it will get stuck at Obtaining IP... All I do is unplug the power cable from the back of my router (not the modem you get from the ISP) for like 1 second, plug it back in, and viola, devices connect perfectly
Sent from my SGH-T889 using xda app-developers app

Same issue for me. Nothing is working for me.

ok - Odin back to stock - fresh start no root - wi-fi works great -root with CF-auto root - all good triangle away to remove root count
clean install of Paranoid 3.0 - wi-fi does not work at set-up - will not connect
clean install of CM nightlies - wi-fi still not working - install LL4 stock modem - still nothing
teshxx MA5 - same thing
went back to LL4 based Frosty - wi-fi connects right away
wi-fi connects with any true stock based roms but no ports or ASOP based ones
I don't even get past initial set-up - I can tell right away if it is working

Re: [Q] wi-fi not working with custom roms
m936a2 said:
ok - Odin back to stock - fresh start no root - wi-fi works great -root with CF-auto root - all good triangle away to remove root count
clean install of Paranoid 3.0 - wi-fi does not work at set-up - will not connect
clean install of CM nightlies - wi-fi still not working - install LL4 stock modem - still nothing
teshxx MA5 - same thing
went back to LL4 based Frosty - wi-fi connects right away
wi-fi connects with any true stock based roms but no ports or ASOP based ones
I don't even get past initial set-up - I can tell right away if it is working
Click to expand...
Click to collapse
What model is ur router.
Sent from my SGH-T889
---------- Post added at 06:12 PM ---------- Previous post was at 05:49 PM ----------
m936a2 said:
ok - Odin back to stock - fresh start no root - wi-fi works great -root with CF-auto root - all good triangle away to remove root count
clean install of Paranoid 3.0 - wi-fi does not work at set-up - will not connect
clean install of CM nightlies - wi-fi still not working - install LL4 stock modem - still nothing
teshxx MA5 - same thing
went back to LL4 based Frosty - wi-fi connects right away
wi-fi connects with any true stock based roms but no ports or ASOP based ones
I don't even get past initial set-up - I can tell right away if it is working
Click to expand...
Click to collapse
Also how did u root ur phone?
Sent from my SGH-T889

the router is not the problem as I have tried getting on both closed and open systems. I used Odin to o back to stock unrooted as well as to apply CF auto root. Its weird - i have been rooting my android phones since my first mytouch and I am about stumped lol

Re: [Q] wi-fi not working with custom roms
m936a2 said:
the router is not the problem as I have tried getting on both closed and open systems. I used Odin to o back to stock unrooted as well as to apply CF auto root. Its weird - i have been rooting my android phones since my first mytouch and I am about stumped lol
Click to expand...
Click to collapse
Yes but some people using Odin have either done it wrong or bad download of Odin.every phone is different. Some temperamental. Is ur antivirus off just incase
Sent from my SGH-T889

BACARDILIMON said:
Yes but some people using Odin have either done it wrong or bad download of Odin.every phone is different. Some temperamental. Is ur antivirus off just incase
Sent from my SGH-T889
Click to expand...
Click to collapse
antivirus is off - what i dont get is why it works every time when running a stock rom or even a stock based rom - even if i go directly from a non working costom rom to a stock based rom - it works - i don't have to odin back to stock to get it to work - just flash a stock based rom and wi-fi starts working

Re: [Q] wi-fi not working with custom roms
m936a2 said:
antivirus is off - what i dont get is why it works every time when running a stock rom or even a stock based rom - even if i go directly from a non working costom rom to a stock based rom - it works - i don't have to odin back to stock to get it to work - just flash a stock based rom and wi-fi starts working
Click to expand...
Click to collapse
Sounds like something is getting killed in the rom flash. What recovery u using.
Sent from my SGH-T889
---------- Post added at 07:31 PM ---------- Previous post was at 07:30 PM ----------
m936a2 said:
antivirus is off - what i dont get is why it works every time when running a stock rom or even a stock based rom - even if i go directly from a non working costom rom to a stock based rom - it works - i don't have to odin back to stock to get it to work - just flash a stock based rom and wi-fi starts working
Click to expand...
Click to collapse
I know this sucks but I would use zedomax way of rooting on his website. Then flash a rom from a fresh download.
Sent from my SGH-T889

BACARDILIMON said:
Sounds like something is getting killed in the rom flash. What recovery u using.
Sent from my SGH-T889
---------- Post added at 07:31 PM ---------- Previous post was at 07:30 PM ----------
I know this sucks but I would use zedomax way of rooting on his website. Then flash a rom from a fresh download.
Sent from my SGH-T889
Click to expand...
Click to collapse
this time I am using Clockworkmod 6.0.2.8 - i have used TWRP before

Same Problem
m936a2 said:
antivirus is off - what i dont get is why it works every time when running a stock rom or even a stock based rom - even if i go directly from a non working costom rom to a stock based rom - it works - i don't have to odin back to stock to get it to work - just flash a stock based rom and wi-fi starts working
Click to expand...
Click to collapse
I am having the same problem tried everything for 2 days now I have PA3 tried every option that I know of and one thing worked for a short time. I toggled the moble network off rebooted and wifi came on updated mt apps rebooted and it was off like a &^*@ tease! I am frustrated as hell because every phone I own is running PA3. My T-Mobile phone is just for podcast while im driving and I only download them via wifi! before I leave to work. I dont even use as a phone. I went to stock and have full wifi, rooted and have wifi updated to pa3 and no wifi. every costom rom I use I get no wifi unless I go to stock. is there a newer modem I should flash. I tried everything else and I don't care if I even cant make a call on it I just want wifi. Ad no the unpluging router did not work and all 5 of my other phones with modded roms work and 2 with pa3. 10 seconds till I throw my phone through the window and I am at the pont that I don't care that I miss spellled everything I typed

Going back from 4.2.x to 4.1.x

Hello all,
I'm planning to go back to 4.1.x (AOKP milestone 1) since the WiFi tethering on 4.2.x is broken.
I still have the AOKP flashable zips and gapps. Do I just simply copy the ROM and GAPPs to the root of my SDCARD (when mounted via USB on my PC) and start flashing away when in recovery mode?
I now the 4.2.x has a different file structure compared to thd 4.1.x so I'm hoping that the contents of the SDcard root (seen via the PC when connected to the USB) will not be deleted when I flash back to 4.1.x.
Is my understanding of flashing back to an older ROM correct?
Thanks.

WiFi tethering isnt broken on 4.2. Maybe it is on the ROM you are using but it has worked fine for me on CM 10.1 and Carbon ROM. But if you want to go back, I cant say for sure what will happen to your files since I have never downgraded. I assume your personal files on your "SD Card" will be safe and will be there after downgrading though.

I tried Bigxie's deoxed, tried Android Revolution HD 10.x, and Rootbox's 4.2.2 nightly including both official releases with the same result where WiFi tethering doesn't work. In my case, the client that is trying to connect will connect, IP is assigned but it won't be able to access the internet.
As of yesterday, I also tried Muzzy's ROM with the same result. I'm hearing that 4.2.2 changed how the tether flag is set, and gives the carrier more control over it.

roadcarver1971 said:
I tried Bigxie's deoxed, tried Android Revolution HD 10.x, and Rootbox's 4.2.2 nightly including both official releases with the same result where WiFi tethering doesn't work. In my case, the client that is trying to connect will connect, IP is assigned but it won't be able to access the internet.
As of yesterday, I also tried Muzzy's ROM with the same result. I'm hearing that 4.2.2 changed how the tether flag is set, and gives the carrier more control over it.
Click to expand...
Click to collapse
Hmm. I'm not sure. I am on Verizon. I dont know if another carrier would cause problems with it.

Thanks for the repsonses JS. I'm still googling away to find out any more fixes. Worse comes to worse, I may just rever to 4.1.x.

I used bigxies deodexed until rasbean 4.2.2 was released and tether regularly with no issues on either. My N7 just works, for my laptop I have to set security to WPA2, on open or WPA it won't gain internet access. Have you tried that?
Sent from my Galaxy Nexus using xda premium

It's working just fine on me gnex. CM10.1

Thanks, I will look into rasbean 4.2.2.
I tried setting the WiFi tethering to open, WPA and WPA2 with the same results. It connects to my phone, but no internet connection.
I'm beginning to think this may have been set/limited by my carrier recently.
95Z28 said:
I used bigxies deodexed until rasbean 4.2.2 was released and tether regularly with no issues on either. My N7 just works, for my laptop I have to set security to WPA2, on open or WPA it won't gain internet access. Have you tried that?
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse

I was looking at that ROM too. Looks like I'll be busy tonight and will do some ROM flashing.
Thanks all.
ronnie_1712 said:
It's working just fine on me gnex. CM10.1
Click to expand...
Click to collapse

I borrowed a friend's SIM card, installed it in my GN and enabled wifi tethering and it works. It looks like it has something to do wtih my current carrier.
My assumptiom that it worked on 4.1.x and stopped working on 4.2.x may have coincided with their wifi tethering policy changes.
Now I can stop looking for that special ROM. Case closed.

Wi-Fi on custom ROMs

Last night I tried flashing cynogenMod 10.1.3 on my stock 4.1.2 Note 2. I followed their instructions, and everything went well but the Wi-Fi never connected to my router. It stayed saying connecting... then network saved. The password was correct. I restored my backed up ROM and on it the Wi-Fi was working. I flashed the cynogenMod Nightlies 10.2 and the same problem was there. I downloaded a stock ROM and flashed with Odion, and the Wi-Fi worked. I flashed Ressurection Remix ROM and on it as well the Wi-Fi didn't work. I tried a few non touchwiz ROMs and all of them the Wi-Fi didn't work, it only works on stock ROMs and TW based ROMs. Is there a way to know more about the cause of this issue? Did other experience such an issue as mine?
I would be greatly obliged if anyone can offer me help.

I have tried many custom roms of every type and build, never had any issue with wifi
perhaps you can try to setup static ip address on the connection instead of DHCP, see if that helps, or try installing something like wifi manager from the store, and use it to connect, see if it gives any more info ?
sorry if this doesn't help, can't think of anything atm

[Q] Lost LTE after switching to KitKat

I decided to give Kit Kat another try a few days ago, but since then I have not been able to connect to LTE.
Prior to flashing I was running CM10.2 and my LTE was working fine. I initially lost LTE when I flashed PACMAN. I have also tried AOSB/ProBAM and Beanstalk. None of the Kit Kat roms gave me LTE so I gave up and restored CM10.2, but afterward I was still not getting any LTE connection.
I tried flashing the MD4 modem, but that didn't seem to fix anything. I've also heard that going back to stock could help, but I'd rather not have Knox if I don't have to use it. Which stock ROM here on XDA would be the best (Not planning on using the ROM. I just want LTE and then will flash back to Kit Kat)? Would a different modem fix my LTE issues? Is MK3 better than MD4, or are there any newer modems I should try?
Thanks for the help!

snak1e said:
I decided to give Kit Kat another try a few days ago, but since then I have not been able to connect to LTE.
Prior to flashing I was running CM10.2 and my LTE was working fine. I initially lost LTE when I flashed PACMAN. I have also tried AOSB/ProBAM and Beanstalk. None of the Kit Kat roms gave me LTE so I gave up and restored CM10.2, but afterward I was still not getting any LTE connection.
I tried flashing the MD4 modem, but that didn't seem to fix anything. I've also heard that going back to stock could help, but I'd rather not have Knox if I don't have to use it. Which stock ROM here on XDA would be the best (Not planning on using the ROM. I just want LTE and then will flash back to Kit Kat)? Would a different modem fix my LTE issues? Is MK3 better than MD4, or are there any newer modems I should try?
Thanks for the help!
Click to expand...
Click to collapse
Any of the ROMS that have [TW] in the title should work. Full Knox only comes with flashing a tar file in ODIN, because your flashing every partition of the phone. Modified stock ROM zips do not have knox, unless otherwise noted. Make sure to do a prl and profile update when you flash to stock.
sent from my Gs3

joeyhdownsouth said:
Any of the ROMS that have [TW] in the title should work. Full Knox only comes with flashing a tar file in ODIN, because your flashing every partition of the phone. Modified stock ROM zips do not have knox, unless otherwise noted. Make sure to do a prl and profile update when you flash to stock.
sent from my Gs3
Click to expand...
Click to collapse
Flashed Wicked Sensations last night with the MK3 modem and I seemed to be getting LTE as soon as that booted. Updated my PRL and Profile, and then wiped. Installed AOSB again, and I seemed to be getting LTE until I rebooted. After the first reboot I seem to be stuck in 3G again.

Im currently running AOSB on 2 devices. When I first flashed them, I had the same issue until I rebooted the phone. After that I never had this issue again.
sent from my Gs3

joeyhdownsouth said:
Im currently running AOSB on 2 devices. When I first flashed them, I had the same issue until I rebooted the phone. After that I never had this issue again.
sent from my Gs3
Click to expand...
Click to collapse
I think that's the opposite of what happened to me. My status bar said I had LTE when I first booted AOSB (this was after flashing/wiping TW). After the first reboot it connected to 3G and I haven't seen the LTE signal since.
I have updated the APNs, but I was using the same APNs for a while and had LTE on CM10.2 with them.

snak1e said:
I think that's the opposite of what happened to me. My status bar said I had LTE when I first booted AOSB (this was after flashing/wiping TW). After the first reboot it connected to 3G and I haven't seen the LTE signal since.
I have updated the APNs, but I was using the same APNs for a while and had LTE on CM10.2 with them.
Click to expand...
Click to collapse
This is something wierd with Kitkat. I do not believe a fix has been found just yet. but if you dial *#*#info#*#* on most phones you can get into the phone systems and turn LTE back on.

ShrekOpher said:
This is something wierd with Kitkat. I do not believe a fix has been found just yet. but if you dial *#*#info#*#* on most phones you can get into the phone systems and turn LTE back on.
Click to expand...
Click to collapse
I didn't know about this menu. Thanks for that. I went into Phone Info and tried selecting LTE only but it didn't connect to anything. Not sure what that means. There are other
There are some other options in there for networks (e.g. TD-SCDMA, CDMA auto). Would any of them help picking up Sprint LTE?
Other options include:
Turn off radio, CellInfoListRate
Turn on IMS registration required
Turn on SMS over IMS
Turn on lte ram dump
SMSC:_____________ Update Refresh

snak1e said:
I didn't know about this menu. Thanks for that. I went into Phone Info and tried selecting LTE only but it didn't connect to anything. Not sure what that means. There are other
There are some other options in there for networks (e.g. TD-SCDMA, CDMA auto). Would any of them help picking up Sprint LTE?
Other options include:
Turn off radio, CellInfoListRate
Turn on IMS registration required
Turn on SMS over IMS
Turn on lte ram dump
SMSC:_____________ Update Refresh
Click to expand...
Click to collapse
KitKat roms are currently having data issues. You could try backing up your current KK rom and go back to Stock, update prl and backup your DNS settings then go back to your backed up KK rom and restore from the dns settings you backed up.

How does one downgrade from kitkat to jellybean? I tried to just flash a jellybean ROM with a clean install and got an error?
Sent from my SPH-L710 using Tapatalk

TheManiac said:
How does one downgrade from kitkat to jellybean? I tried to just flash a jellybean ROM with a clean install and got an error?
Sent from my SPH-L710 using Tapatalk
Click to expand...
Click to collapse
What error ad you getting exactly?
Sent from my SPH-L710 using Tapatalk

djpabz23 said:
What error ad you getting exactly?
Sent from my SPH-L710 using Tapatalk
Click to expand...
Click to collapse
It says something to do with missing a partition?
Sent from my SPH-L710 using Tapatalk

snak1e said:
I decided to give Kit Kat another try a few days ago, but since then I have not been able to connect to LTE.
Prior to flashing I was running CM10.2 and my LTE was working fine. I initially lost LTE when I flashed PACMAN. I have also tried AOSB/ProBAM and Beanstalk. None of the Kit Kat roms gave me LTE so I gave up and restored CM10.2, but afterward I was still not getting any LTE connection.
I tried flashing the MD4 modem, but that didn't seem to fix anything. I've also heard that going back to stock could help, but I'd rather not have Knox if I don't have to use it. Which stock ROM here on XDA would be the best (Not planning on using the ROM. I just want LTE and then will flash back to Kit Kat)? Would a different modem fix my LTE issues? Is MK3 better than MD4, or are there any newer modems I should try?
Thanks for the help!
Click to expand...
Click to collapse
ohhh i had this issue but i figured it out for pacman and most roms just download nova launcher and when you do create a shortcut on nova ad click on setting an it should say apn once there u open it and youll see where it says ehprd something like that click on it and go all the way to the bottom and change where it says bearer to ehrpd and lte should work ^_^

Ok so I finally got it working, although I'm not sure what was wrong with everything in the first place. My buddy said Cyanogenmod screwed up a recent ROM, so maybe that code was in one of the ROMs I was using.
Each time I flashed back to TouchWiz (I ended up using Wicked Sensations) I could get 4G/LTE. I ran a **72786*, did a PRL & profile update. Prior to finding a working ROM, when I went back to BeanStalk/PACMAN I would lose LTE. After I found the updated BeanStalk ROM I flashed and it still had LTE! Happy days!
At this point I was able to send MMS somehow, but phone was having problems being recognized by the network. I could connect to LTE but couldn't use the data. After I updated the APNs everything started working again.

snak1e said:
Ok so I finally got it working, although I'm not sure what was wrong with everything in the first place. My buddy said Cyanogenmod screwed up a recent ROM, so maybe that code was in one of the ROMs I was using.
Each time I flashed back to TouchWiz (I ended up using Wicked Sensations) I could get 4G/LTE. I ran a **72786*, did a PRL & profile update. Prior to finding a working ROM, when I went back to BeanStalk/PACMAN I would lose LTE. After I found the updated BeanStalk ROM I flashed and it still had LTE! Happy days!
At this point I was able to send MMS somehow, but phone was having problems being recognized by the network. I could connect to LTE but couldn't use the data. After I updated the APNs everything started working again.
Click to expand...
Click to collapse
How did you update your APN's?

try switching to philz touch recovery where it will give you 2 options....do clean to install a new rom.....if works....thks appreciated...safe flashing and live prosperous

djpabz23 said:
How did you update your APN's?
Click to expand...
Click to collapse
This should work http://forum.xda-developers.com/showthread.php?t=1794956

[Q] [Virgin Mobile] Galaxy S3 Lte Connection on CM 12

I recently rooted my s3, and flashed the Cyanogenmod 12.1-20150527-NIGHTLY-d2spr ROM.
3G and lower works great, but I am unable to connect to the LTE network. I initially believed it was an APN problem, and flashed this: (android forums -> virgin-mobile-mod-universal-lte-virgin-mobile-apn-fix-wip-cm-aosp-4-4-x.840298), without success. I tried updating/adding apns manually, but still am unable to connect to 4G.
My model is SPH-L710, and current baseband is L710VPUCNDC.
Let me know if you have any advice/solutions!

sudo!! said:
I recently rooted my s3, and flashed the Cyanogenmod 12.1-20150527-NIGHTLY-d2spr ROM.
3G and lower works great, but I am unable to connect to the LTE network. I initially believed it was an APN problem, and flashed this: (android forums -> virgin-mobile-mod-universal-lte-virgin-mobile-apn-fix-wip-cm-aosp-4-4-x.840298), without success. I tried updating/adding apns manually, but still am unable to connect to 4G.
My model is SPH-L710, and current baseband is L710VPUCNDC.
Let me know if you have any advice/solutions!
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To get LTE, clean flash (wipe cache, system, and data on TWRP or use the "clean to install new ROM" option on PhilZ) the ROM, Gapps, and the APN fix and then boot up. As soon as your phone finishes booting up, turn it off, go into recovery, and dirty flash (don't wipe anything) the ROM and Gapps.
I used this on AICP 9.0 which is based on CM12.1, and I've heard this procedure works on CM12.1 and any CM12.1 based ROM.