No mobile network after flash - AT&T, Rogers, Bell, Telus Samsung Galaxy S III

I have been a Running axis ROM for a few weeks now and wanted a change so I flashed carbon ROM. Also tried miui. Liked them but axis gives me everything I wanted however when I flashed axis again I lose mobile data. I reflashed miui and mobile data works fine. How do I fix this?
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myzterray said:
I have been a Running axis ROM for a few weeks now and wanted a change so I flashed carbon ROM. Also tried miui. Liked them but axis gives me everything I wanted however when I flashed axis again I lose mobile data. I reflashed miui and mobile data works fine. How do I fix this?
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anyone?....anyone???

myzterray said:
anyone?....anyone???
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Are you wiping system/data/cache/dalvik between roms?

Yea. The only Roms will flash fine no boot loop or anything. I just have no mobile data. I'm on miui v5 and everything works. But I want axis back.
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Are you flashing a custom kernel also? If so try just the rom and see if you have mobile
Making the iPhone jealous one user at a time.

No custom kernals just whatever comes with the ROM. Now I did forget to mention I wiped internal SD at one point so I'm not sure if that wiped out my modem. However miui works fine as far as mobile data but then I wipe and try to flash axis and no data.
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myzterray said:
No custom kernals just whatever comes with the ROM. Now I did forget to mention I wiped internal SD at one point so I'm not sure if that wiped out my modem. However miui works fine as far as mobile data but then I wipe and try to flash axis and no data.
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When you boot into the non working ROM try and dial *#06# does it show your imei?
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I ended up flashing axis again bit this time I chose tmobile instead of att. And it worked. I'm running hyper drive now with ktweaker kernel and everything is good to go. Only thing is in my settings its showing the model number as sgh T999 but everything
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Worked for a little while now its back. Had to flash miui again to get mobile data back. What's happening now is it will say 3g for a minutes then it will switch to 4glte then no signal almost instantly
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myzterray said:
Worked for a little while now its back. Had to flash miui again to get mobile data back. What's happening now is it will say 3g for a minutes then it will switch to 4glte then no signal almost instantly
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As asked before, does dialing *#06# show your IMEI?

Yes. I'm running miui and everything works great but if I flash any other ROM I get data for a few seconds then it goes away. I tried mobile networks then switching from auto to manual and selecting T-Mobile. One thing I did notice is on miui the APN is fast.T-Mobile.com on the others is epc.T-Mobile.com however data works on either one with miui but not with any other ROM. I've tried hyperdrive rls 15 and 16 axis and dandroid. Haven't tried any asop Roms because I use multi window a lot and I would like to use a ROM that has it.
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Okay this time I think I got it figured out. Looks like I had to change the apn settings. It was set to epc.tmobile.com I just copied down the settings from miui which were fast.t-Mobile.com and changed the apn to T-Mobile US LTE now everything works and the signal bar says 4glte but I think I'm just getting 4g. But I flashed hyper drive and no I issues at all.
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Related

Data on flashed epic to cricket...

I randomly lost my data on my flashed epic on cricket..and my phone keeps popping up the hands free activation...plus when connected to wifi it constantly shuts off then reconnects....but my device still says 3g on it but no data...help please?
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Did you flash something on top of that custom rom that was tailored for cricket? Did you back to up your rom before this? Sounds like you flashed over your custom rom for cricket. If you backed it is up, do a nand restore.
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I didnt flash any roms or anything. And i just restored a backup right after the phone was flashed to cricket and it says 3g but i still have no data
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dblkspecial said:
I didnt flash any roms or anything. And i just restored a backup right after the phone was flashed to cricket and it says 3g but i still have no data
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As far as I know, unless they installed a custom rom, you never had 3G working with cricket in the first place.
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I figured it out. Took a bit but hopefully it works when i leave wifi area
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How did u do it i have the same problem ?
3g works on cricket with the stock rom, the only thing that doesnt work stock is mms. what rom are you using? I have several cricket roms for the epic.
does it matter? i have sleeper_ROM, i just tried editing all the profiles in qpst. i have 3g icon and now with the upstream bar and downstream bar animates but it no avil. I still cant load pages in browser

[Q] 4G Data

So i installed this rom http://forum.xda-developers.com/showthread.php?t=1579269 and everything was fine, i followed instructions and all that, but it appears that my 4g icon is missing, it only appeared for 3 seconds the whole entire time i had this rom, can anyone tell me how to get it back .
Thanks in advance
duskblade55 said:
So i installed this rom http://forum.xda-developers.com/showthread.php?t=1579269 and everything was fine, i followed instructions and all that, but it appears that my 4g icon is missing, it only appeared for 3 seconds the whole entire time i had this rom, can anyone tell me how to get it back .
Thanks in advance
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The stock rom lies .. or rather smudges the truth a little by showing a 4g (or H) even when your not really on that band. If your data speeds have not changed then I'd not worry about it.
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PJcastaldo said:
The stock rom lies .. or rather smudges the truth a little by showing a 4g (or H) even when your not really on that band. If your data speeds have not changed then I'd not worry about it.
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Well i meant like my internet is not working because there is no 4g, i can only use wifi apparently.
duskblade55 said:
Well i meant like my internet is not working because there is no 4g, i can only use wifi apparently.
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Oh.. OK go into your APN settings and make sure its selected on tmobile. And then reboot. Also try turning on and off airplane mode.
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PJcastaldo said:
Oh.. OK go into your APN settings and make sure its selected on tmobile. And then reboot. Also try turning on and off airplane mode.
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I tried what u recommended but yet, still nothing =/
That's an ATT port, why dont you flash a ROM made for our phone? Darkside or Infamous are two reliable TW ROMS. AOKP or CM9 are two stable AOSP ROMS.
Sent from the pink Unicorn from the Darkside.
Well. You either need to try another radio. Or a different rom..
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Anyone get Codename android ROM to work?

Its in goo manager listed under compatible ROMs and also says sprint gs3 in the ROM name. But the damn thing gets into a boot loop on every build I tried. Anyone else notice this?
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No luck here either
He's working on getting it to boot but try flashing a kernel right after you flash the rom and gapps.
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That's great, used ktoonsez kernel and it worked. Only thing that doesn't seem to be working so far is 3g, wifi's working though.
It also gets stuck on getting started, just turned off the screen and turned it on and it worked.
ionthedemon said:
That's great, used ktoonsez kernel and it worked. Only thing that doesn't seem to be working so far is 3g, wifi's working though.
It also gets stuck on getting started, just turned off the screen and turned it on and it worked.
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What build did you flash?
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The latest 9/20
btw messed with the data settings and rebooted and 3g now works
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Mms problems

I've been having MMS problems for a while now. When I try to send pictures, most of the time it just stays stuck on sending, but the picture never sends. Every now and then the person that I'm sending the picture to will get the picture the next day or something like that, but never immediately and that's if it sends at all. I've tried multiple ROM's and radios all to the same outcome. Right now I'm on AOKP Build 5 running the stock kernel and uvlh1 radio. Everything else works perfectly. I unrooted and tried to send pictures then and it worked fine. So I rooted again and sent one with stock rooted and again, all was well. But when I install a custom ROM all hell breaks loose. I also tried different apps like Go SMS and Handcent to no avail. I've also checked my apn settings and they were fine. Someone help please!
is this over the network or Wi-Fi? Or both?
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blackangst said:
is this over the network or Wi-Fi? Or both?
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Both
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When you say a custom Rom, do you mean aokp? Touch wiz? Anything? I would start with a basic rooted stock based Rom with a stick kernel with minimal tweaks and go from there.
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Greyed out data connection in aosp and aokp roms

Keep getting Greyed out connection have to clear cache and data returns. It says I have full bars but no actual data. What's the issue?
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What version of the ROMs are you running? The grey bar as opposed to the blue bar just means you are not connected to your Google account. You should see a logo above the bars saying 4G, H, or 3G if you have data, regardless of the color.
There is a known issue in the latest cm10.1 nightly builds that cause loss of data. Not sure about AOKP unfortunately.
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I'm on task 4.2.1. I get this with only with open source rims. I never lose with touch wiz rims. But I like open source roms better. A reboot clears it up.
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The rom is ace besides that.
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No one else huh :/
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There are various fixes for the data issue that people have reported success with - re-flashing modems, toggling the mobile data setting repeatedly, playing with APN settings (turn off mobile data, reboot phone, toggle APN setting to something else and back, re-enable mobile data), etc.
Have you looked through the 4.2 threads here?
paniro187 said:
I'm on task 4.2.1. I get this with only with open source rims. I never lose with touch wiz rims. But I like open source roms better. A reboot clears it up.
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I would say wipe and reflash. I don't think anyone on Tasks ROM is having this issue. I for one know I'm not. Are you on his latest 12.23 version?
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It's definitely not specific to any rom it happens on aosp roms no matter who makes it. I will try a re flash but I have done that plenty times. I its honestly random and then requires a reboot
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I have had a similiar problem in the past and couldn't find a fix. I looked for a good bit but had other options i wanted to try anyway so the answer is probably out there. However after i flashed a the next newest version things were ok. That shouldn't be long in this case and hopefully it works for you.
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