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Cannot get data connection

Hi, been a member for a while, haven't posted before though, (yeah I know, I'm an ass who just downloads and flashes roms), but I have a MAJOR issue now. I tried the MoDaCo.one rom from http://forum.xda-developers.com/showthread.php?t=1711783 and decided that it wasn't for me, so I restored my old backup of CleanRom 4.2 Standard. However, upon restoring this image, my phone keeps looking for a LTE connection, even though there is none available, and as such, will not connect to any mobile network. I have tried doing a total reinstall of CleanRom, i have tried resetting everything, i have tried changing the APN settings, everything I can think of. I even called AT&T to see if something was up with the data in my area, and it is all fine, in fact, while I was on the phone, the LTE turned off, (as LTE cannot run while the voice is connected for some reason or another) and I actually got a connection, so it is something with the phone trying to get LTE all the time. Is there some way I can fix thigs?
Also, after trying the MoDaCo rom, my phone only does a hot reboot/fastboot, unless I use the power button hard reset. Any help anyone might be able to give would be greatly appreciated, I can't really afford another $650 phone lol
P.S. If someone, ANYONE, can give any kind of help, I promise I will be coming in and trying to help anyone I can from now on. I'm a Linux Dev (Mint and SolusOS) so I'm not a complete and utter moreoff in terms of how the OS works.

mclovin926 said:
Hi, been a member for a while, haven't posted before though, (yeah I know, I'm an ass who just downloads and flashes roms), but I have a MAJOR issue now. I tried the MoDaCo.one rom from http://forum.xda-developers.com/showthread.php?t=1711783 and decided that it wasn't for me, so I restored my old backup of CleanRom 4.2 Standard. However, upon restoring this image, my phone keeps looking for a LTE connection, even though there is none available, and as such, will not connect to any mobile network. I have tried doing a total reinstall of CleanRom, i have tried resetting everything, i have tried changing the APN settings, everything I can think of. I even called AT&T to see if something was up with the data in my area, and it is all fine, in fact, while I was on the phone, the LTE turned off, (as LTE cannot run while the voice is connected for some reason or another) and I actually got a connection, so it is something with the phone trying to get LTE all the time. Is there some way I can fix thigs?
Also, after trying the MoDaCo rom, my phone only does a hot reboot/fastboot, unless I use the power button hard reset. Any help anyone might be able to give would be greatly appreciated, I can't really afford another $650 phone lol
P.S. If someone, ANYONE, can give any kind of help, I promise I will be coming in and trying to help anyone I can from now on. I'm a Linux Dev (Mint and SolusOS) so I'm not a complete and utter moreoff in terms of how the OS works.
Click to expand...
Click to collapse
Does Wifi stay on and not search for connection? Meaning does Wifi always stay connected?
Sent from my box of McNuggets.

thanx for the fast reply, wifi work exactly as it should, no issues there, but mobile data is all kinds of messed up. However, just for s#*T's and giggles I decided to try and see if maybe I could get miui v4 2.7.20 to work, and for some reason or another, mobile data works in this one. I'm not exactly sure what's going on, and to be honest, I think I'm gonna try a few roms and see if maybe its only default ice type rooms that work, which would prob mean that something in sense is messed up after the MoDaCo rom trial. If Anyone might have an idea of what's going on, I'm all ears.

Well if all else fails run a ruu and start with a clean slate.
Sent from my Nocturnalized Beast

E.Cadro said:
Well if all else fails run a ruu and start with a clean slate.
Sent from my Nocturnalized Beast
Click to expand...
Click to collapse
Yeah, I think i may do that, maybe even relock the bootloader, unroot, and start over from a factory default and see if maybe I can get things repaired, or least working right lol.

[Q] Cyanogenmod wifi

I just want to first thank everyone who worked on getting cyanogenmod to work on the jellybean boot loader. There is a problem that i am seeing though through the threads that wifi seems to not turn on. Unfortunately i have the same problem, i have had it for both the modified version on the 30th and still have it on the official version out the 31st. Has anyone else had this problem or even any vague idea as to the problem causing?

Wish I was posting with help I just wanted to cosign that I've also been going through the same thing from yesterday's unofficial to today's rom with turning the wifi on and having the tablet freeze. Hoping it can be worked out looking forward to using cm10 as soon as possible

I can confirm that i am still having the same wifi issues with the 11-01 official version.

I also had wifi issues initially, disable the wifi sleep policy and reboot, it would work afterwards.

sghi777 said:
I also had wifi issues initially, disable the wifi sleep policy and reboot, it would work afterwards.
Click to expand...
Click to collapse
for what it's worth I tried this but after the reboot I still ended up with the same problem, I think I'll just stick with cleanrom for now it's been running more than well enough

I updated to 11-2 and still no fix but I think I have come across something. I don't know if it just me but for some reason the wifi region in advanced is set to Europe. I try to switch it to US but never seems to save it. Am I the only one?

froggerhopper said:
I just want to first thank everyone who worked on getting cyanogenmod to work on the jellybean boot loader. There is a problem that i am seeing though through the threads that wifi seems to not turn on. Unfortunately i have the same problem, i have had it for both the modified version on the 30th and still have it on the official version out the 31st. Has anyone else had this problem or even any vague idea as to the problem causing?
Click to expand...
Click to collapse
I don't have the issue. I have done this twice for each rom stock, cleanrom, jb hydro and I have wifi and gps. I'm using Twrp.
wipe cache, Dalvik, Factory Reset, System ( you must flash a rom now ) so be absolutely sure you have one available.
flash cm10
reboot
boot recovery
flash gapps
reboot
This didn't fail in a total of six tries. GPS is slow and not many sats but it does work.
Once I was stuck on bootanimation. I forced power down by holding power till screen went black. Power up and booted properly.
I miss spoke on the above when I listed gps - checking my notes and reflashing, gps does not work on nightly for me; it does work on the other cm10 jb for me. Sorry! Wifi does work on both.

DANG!! As of 11/3 version, I still have wifi issues. I have flashed back when there was no CM10 and have done exactly above and still cant get no reception. I still think that the region in advanced settings have something to do with it.

froggerhopper said:
DANG!! As of 11/3 version, I still have wifi issues. I have flashed back when there was no CM10 and have done exactly above and still cant get no reception. I still think that the region in advanced settings have something to do with it.
Click to expand...
Click to collapse
I'm sorry to hear that. I had hoped the problem was the difference in the way we handled wiping and flashing. I don't understand why my unit works and yours doesn't. I don't remember anything else I did that may have made a difference but I'll download 11-3 and try again.
I'll report with that status in a bit.:good:
I was on cleanrom, flashed 11-3 as above and have wifi. I wish we knew how to isolate this problem, I'll do some searching and look at some of my logs and dmesg. There must be an answer why some units work and others don't.
When you try to turn wifi on does it turn on and stay turned on or does it refuse to turn on?
I checked my region settings and they were set Europe, I changed to US just for fun but no difference in use. I have read in the US they are restricted to channels 1 - 11 instead of 1 - 14, maybe that is one of the reasons for that option.

I was on cleanrom 2.5 before also. Had no problems with it but wanted to see if CM10 was any better. What happens is that after i flash CM10, when you first start a tablet from scratch, it will search for wifi and say in the middle of the screen "Turning wifi on" and will stay that way. So i eventually have to skip it to go on to the Home screen. When I go back later in settings to wifi, says the same thing and sometimes crashes. When I go back to clean rom or original stock, have no problems.

froggerhopper said:
I was on cleanrom 2.5 before also. Had no problems with it but wanted to see if CM10 was any better. What happens is that after i flash CM10, when you first start a tablet from scratch, it will search for wifi and say in the middle of the screen "Turning wifi on" and will stay that way. So i eventually have to skip it to go on to the Home screen. When I go back later in settings to wifi, says the same thing and sometimes crashes. When I go back to clean rom or original stock, have no problems.
Click to expand...
Click to collapse
I can't emulate that on my unit. Have you tried the cm10 by timmytim? If you need cm10 it may be an option. It is built on the cm10 you are trying to use but with some modifications.
I'm also waiting on the nightlies, in my case I'm waiting on gps.:good:

froggerhopper said:
I was on cleanrom 2.5 before also. Had no problems with it but wanted to see if CM10 was any better. What happens is that after i flash CM10, when you first start a tablet from scratch, it will search for wifi and say in the middle of the screen "Turning wifi on" and will stay that way. So i eventually have to skip it to go on to the Home screen. When I go back later in settings to wifi, says the same thing and sometimes crashes. When I go back to clean rom or original stock, have no problems.
Click to expand...
Click to collapse
One last shot, it will only take 5 minutes and is easy.
Power off
Remove external sdcard
Remove from dock
Power on

I now updated from twrp 2.2.2 to 2.3.1 and tried BOTH 11/5 AND timmytim versions and still no luck. Do you think i need to try clockworkmod? I don't think that would make a difference.

froggerhopper said:
I now updated from twrp 2.2.2 to 2.3.1 and tried BOTH 11/5 AND timmytim versions and still no luck. Do you think i need to try clockworkmod? I don't think that would make a difference.
Click to expand...
Click to collapse
No, I'm afraid not.
The last thing I can think of that could be different between our situations is your wifi.
I must begin by telling you my wifi router is an antique so I don't have some of the newer features.
This is a fishing trip. Take the little info I provide and try to use it to investigate your situation.
My router provides a table where I can list mac addresses of units I have programmed and only these are allowed access, even if they have the correct password, etc.
Some of the newer units have a button that automatically looks for units and self programs the router security features and any change made since the button was last pressed. If you have such then try to sync your unit again with cm10, otherwise look carefully through your router security options and see if anything stands out that may be different than with stock rom.
I know mac addresses and such are factory programmed but they can be spoofed and on units other than asus do sometimes change with rom.
For instance if I go to google play my TF300 shows as two different unit names.
Asus ASUS Transformer Pad TF300T
Asus Transformer Pad TF300T
That is enough difference to possibly cause your router to deny access.
None of this may apply but it is worth a try.
Good Luck!

wifi issues too
I am having same problem. tried 11-06 nightly and wifi will not even turn on. Tried other nightlies, same deal. Can't understand why not happening to all units. If anyone figures it out, let us know. I really want to try CM10! I think this is being discussed on the developers forum on the CM10 for JB thread as well.

bobrebn3 said:
I am having same problem. tried 11-06 nightly and wifi will not even turn on. Tried other nightlies, same deal. Can't understand why not happening to all units. If anyone figures it out, let us know. I really want to try CM10!
Click to expand...
Click to collapse
11/06 and 11/07 are both broken for me as well. I saw a post by untermensch ( I think ) in the nightly thread where he was pushing some of his work for use in cm10. Maybe in a day or two everyone will have wifi.
I have read you can flash his kernel after setting up cm10 and get wifi. I have not tried that and if a fix comes soon I probably won't.
What I have done is flash his TF300T kernel over CleanRom and it is faster and smoother. I am not over clocking, using balanced mode.
Sorry I don't have any other thoughts at this time.
Good Luck to us all!

uugghh
bobrebn3 said:
I am having same problem. tried 11-06 nightly and wifi will not even turn on. Tried other nightlies, same deal. Can't understand why not happening to all units. If anyone figures it out, let us know. I really want to try CM10! I think this is being discussed on the developers forum on the CM10 for JB thread as well.
Click to expand...
Click to collapse
I tried the last couple nightlies and still no wifi capability. Tried a rom based on CM10, still a no go. SO, using cleanROM for now, it seems to work very well for me. I wonder why CM10 works for some and not others? Is there a difference in the hardware from unit to unit?

Wifi works again on nightlies 11/09
I still don't have gps.

LUCKY!!!! I read the post and now on 11/9 and still the same problem. I do want to ask a question though to all that do have the problem. Were you on cleanrom before trying CM10? Does this have anything to do with cleankernel?

froggerhopper said:
LUCKY!!!! I read the post and now on 11/9 and still the same problem. I do want to ask a question though to all that do have the problem. Were you on cleanrom before trying CM10? Does this have anything to do with cleankernel?
Click to expand...
Click to collapse
I know you asked for those that didn't work but.
Just for more info and being fair to cleanrom.
I was on cleanrom when I flashed 11/09 and now I'm back on cleanrom till I see a size change on nightlies.

[Q] Carbon ROM Problems

ISSUE RESOLVED
Thanks, SlimSnoopOS!
Alright let me say that while I am very inexperienced with ROM-ing and the like, I have done it once successfully in the past (several years ago with my Droid X) without any issues. I rooted my phone today and installed the latest D2VZW release (not nightly) of the Carbon ROM.
My biggest problem is that I have no mobile network connection. I have looked at other discussion boards with people having similar problems, but were not of help to me as I have no idea what they are saying. I can say, however, that my IMEI number is correct (had it written down), but my phone number according to the Status is 000-000-2212.
EDIT: There is a mobile network connection. I have the bars, and "4G" switches back and forth to "R". I can't, however, call or receive calls, or text message at all.
EDIT2: Upon updating to latest version, my phone number is reporting correctly, but I still can't use my mobile network connection. It does not ask me to do the initial setup upon starting for the first time after flash.
Second, there is no lock screen, the home button doesn't work, most apps don't come up at all, etc. I'm totally lost.
I appreciate all help trying to get me pointed in the right direction here, or at least figuring out what's happening. I will do my best to provide as much information as I can, and I apologize ahead of time for my lack of understanding.
EDIT: If it's not something I can fix, I'll try to reset it back to stock using the pinned thread, but I don't have time to do so right now.
EDIT2: I updated from v1.0 to v1.8, and it resolved most of the problems, which I deleted from this thread. The vital ones are still present, however.

When you flashed CarbonRom, what did you wipe in recovery? Also, have you done any of these steps? Lastly, since you performed some edits, could you clarify what is currently wrong with your phone?

Thanks for your reply! I was actually going to delete this post and start a new one because I've greatly narrowed down my problem. Just typing it all out above seemed to help me think about the problem and fix it.
After getting all updated ZIPs and flashing them, I got the ROM working properly.
The problem with the mobile network persisted, but after trying Fix #2 in your link, it worked. As far as I can tell, my phone is fully functioning now. Thanks a ton!

Always here to help!
Sent from my SCH-I535 using Tapatalk 4

[Q] Skyrocket freeze/shutdown on signal loss

Hi. Let's get right to it, shall we?
I was running a 4.3 Rom on my phone. Worked great while I was at my house though I did notice my signal seemed lower than before I installed it. But I didn't worry about it too much. Ran the Rom all weekend without any issues. Coverage in my city is pretty good, so I never had a signal drop.
I work in a pretty rural area of PA which causes me to lose my signal a couple of times while commuting there. So, on Monday when I got to work, I had a blank screen and all buttons were unresponsive. I did a hard reboot which went fine until the phone tried to reconnect to the network. Then it went back to the blank screen and forced another hard reboot.
Thinking this was an issue of cm10.2, I went home and reloaded a 4.2 Rom. Again, it worked great until the next day when I returned to work. Then the shutdown/freeze issue arose again. So I went to stock 4.1.2 with stock kernel and radio. No extra apps, nothing. The only thing custom on my phone was the recovery. Anyway, I still had the same problem.
As long as I don't lose my signal, my phone works awesome. And it's not the loss of signal that's bad, it's when the phone reaquires the signal that it breaks. I went to AT&T and discussed with a rep but I seemed to know more about phones than he did ( his words, not mine ) and I couldn't reproduce the problem because, of coarse, there was a perfect signal at the store.
So, I'm asking for thoughts, ideas, and suggestions on how I might fix this problem or what might be wrong. I respect and appreciate, any help I might get from this fine community. Thank you all in advance.

So when you say after you went to stock the only thing custom was a custom recovery ...
Odin a ucmc1 stock the one which also takes you to stock recovery and do your wipes from there.
See if this resolves the issue
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

Commodore 64 said:
So when you say after you went to stock the only thing custom was a custom recovery ...
Odin a ucmc1 stock the one which also takes you to stock recovery and do your wipes from there.
See if this resolves the issue
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
Click to expand...
Click to collapse
How does the recovery effect the phone when it's on normal and not in recovery mode? Please ( and this isn't sarcasm ) Talk to me like I'm four years old.

Mine did something like that also, I was on CM10.2 20130920 Nightly clean install with TWRP 2.6.3.0 and everything was fine then phone froze and started vibrating, camera flashed, power button wouldnt do anything I pulled battery and reinserted it and same thing just vibrated. Finally was able to go to DL and reinstalled stock booted just fine I set up the phone and couple hours latter same thing phone locked up started vibrating and nothing.
I know it is recommended to use CWM 6.0.3.7 but figured the lates TWRP would work. Now I have a worthless Skyrocket that all it does is vibrate, I can take the battery out and use it as paper weight.

Has anyone encountered this voice mail bug?

Hey all,
Ugh, didn't mean to post yet!
I just updated from CM9 to 10.2 in the hopes it might fix this bug, but it didn't. I suspect then that it's not ANYTHING to do with a ROM per se but I'm perplexed as to what it is.
The behaviour is:
- I get a voice mail
- After listening to the voice mail, deleting it, and hanging up, the notification doesn't disappear
- Some time later, I get a repeat notification of the voice mail
- During this time, I can't receive any texts
- About a DAY later, the phone will realize that voice mail actually has been deleted
I've tried searching xda, and I've tried general googling, but I haven't pinned anything down. I've seen some references to what might be a similar bug, but not with these ROMs, and... honestly a couple of YEARS ago.

ccamfield said:
Hey all,
Ugh, didn't mean to post yet!
I just updated from CM9 to 10.2 in the hopes it might fix this bug, but it didn't. I suspect then that it's not ANYTHING to do with a ROM per se but I'm perplexed as to what it is.
The behaviour is:
- I get a voice mail
- After listening to the voice mail, deleting it, and hanging up, the notification doesn't disappear
- Some time later, I get a repeat notification of the voice mail
- During this time, I can't receive any texts
- About a DAY later, the phone will realize that voice mail actually has been deleted
I've tried searching xda, and I've tried general googling, but I haven't pinned anything down. I've seen some references to what might be a similar bug, but not with these ROMs, and... honestly a couple of YEARS ago.
Click to expand...
Click to collapse
I have not seen this on any of my T-Mobile phones....did you do a full wipe before flashing CM10.2..
Which 10.2 Rom did you flash..
You Might have to one-click back to
stock.
That should fix it..then work back up.
Sent from my SM-G900T using XDA Premium 4 mobile app

Well, I did do a factory reset.
Is resetting to the stock ROM actually guaranteed to, well, basically format /system?
(Oh, and I flashed this ROM: http://forum.xda-developers.com/showthread.php?t=2451317 )
P.S. see here for someone's... probably unorthodox solution to the problem. Basically seems to be forcing # of voice mail notifications to 0. Which isnt really what I want, anyway.
http://forum.xda-developers.com/goo...w-to-sprint-fix-persistent-voicemail-t2562262

ccamfield said:
Well, I did do a factory reset.
Is resetting to the stock ROM actually guaranteed to, well, basically format /system?
(Oh, and I flashed this ROM: http://forum.xda-developers.com/showthread.php?t=2451317 )
P.S. see here for someone's... probably unorthodox solution to the problem. Basically seems to be forcing # of voice mail notifications to 0. Which isnt really what I want, anyway.
http://forum.xda-developers.com/goo...w-to-sprint-fix-persistent-voicemail-t2562262
Click to expand...
Click to collapse
That looks like a work-around not a solution. .
Yeah if you odin back to stock...
Its a guarantee it will format your system partition..
Try gremlin remover its always worked for me and odin is pretty simple..follow the OP its a one-click pre-made odin setup so dont change anything and your good.
http://forum.xda-developers.com/showthread.php?t=1500427
Once your back to stock...
And the problem is fixed.
I always went to Team Acids CM9.
Let the partitions convert..
Then on to CM10.2 or whatever..
Never had a problem this way..
Sent from my SM-G900T using XDA Premium 4 mobile app

hutson23 said:
That looks like a work-around not a solution. .
Yeah if you odin back to stock...
Its a guarantee it will format your system partition..
Try gremlin remover its always worked for me and odin is pretty simple..follow the OP its a one-click pre-made odin setup so dont change anything and your good.
http://forum.xda-developers.com/showthread.php?t=1500427
Once your back to stock...
And the problem is fixed.
I always went to Team Acids CM9.
Let the partitions convert..
Then on to CM10.2 or whatever..
Never had a problem this way..
Click to expand...
Click to collapse
Unfortunately, I have the 959W rather than the 959V so I can't use it.
And I remember upgrading from gingerbread to CM9 was a lot tougher than I expected (I think getting the drivers to work right) and I had to get a LOT of help from a member here on the forum. IIRC there were a lot more reboots required of the phone / my PC to get things to work.
All in all I probably shouldn't mess around with ROMs. Hardware problems make me angry and frustrated.

ccamfield said:
Unfortunately, I have the 959W rather than the 959V so I can't use it.
And I remember upgrading from gingerbread to CM9 was a lot tougher than I expected (I think getting the drivers to work right) and I had to get a LOT of help from a member here on the forum. IIRC there were a lot more reboots required of the phone / my PC to get things to work.
All in all I probably shouldn't mess around with ROMs. Hardware problems make me angry and frustrated.
Click to expand...
Click to collapse
O..didn't know you had the T959w..
Well I have seen something similar
On the Samsung GS4G Blaze..
They had a call fowarding bug that was carrying over on Roms..
It was something in CM11 that they
Figured was being written on the
Sim Card..and it was even carrying over to any Rom you flashed..
Once you got it... it didn't matter
what Rom you installed
full wipe or not it stuck..
They have Offical CM11 and the
CM team fixed it..but I remember it took a couple weeks..
Have you tried getting another
Sim Card..couldn't hurt..
Have you tried Force closing the
Phone Apk.and clearing data..
Also found this..
Here's what just worked for me on my Tmobile Galaxy S III
1) Pull the battery
2) Wait a few minutes with the battery out (I waited 5 minutes)
3) Pull the SIM card
4) Replace battery and power up phone. Wait until phone is fully booted
5) Power down phone
6) Replace SIM card and power up
Annoying VoiceMail icon is now gone.
BTW.. I hate the voice mail notification...
I wish people would
Never leave me a voice mail..LOL..
Sent from my SM-G900T using XDA Premium 4 mobile app

Oh huh, I missed your reply till now.
I think force closing the phone app and clearing caches works but ONLY temporarily and then the problem reoccurs (when the phone decides to check for more voice messages?)
Man if this was something being written on the sim card and not a ROM thing that'd be really annoying. But couldn't I "just" wipe the whole sim card? That's gotta be possible, right?
I'm trying the pull-battery-and-sim-card just to see what happens.
On the plus side I found some old posts of mine on the forum and realized that I only ever used this new computer for flashing stuff. So I just have to figure out which USB port worked last time... the usb drivers should still be installed and everything.

^ Just curious what modem are you using? Is it patched to work on MTD partitions layout? Is it the stock one from Wind the Canadian carrier?
Try using modem LB6 for 959w/v patched to work for mtd roms, hope this will fix the issue.

Rebel_X said:
^ Just curious what modem are you using? Is it patched to work on MTD partitions layout? Is it the stock one from Wind the Canadian carrier?
Try using modem LB6 for 959w/v patched to work for mtd roms, hope this will fix the issue.
Click to expand...
Click to collapse
I believe I am using the LB6 - certainly, I'm not using the stock. (The only confusion is that I've got zip files on my PC for the LB6 and a KG4 modem.)
Whatever modem I have on my phone was working fine prior to some upgrade of CM9 (IIRC).

God!!!
So I got Heimdall working again, flashed to stock, reformatted my SD card, re-updated to CM10... and I'm getting the same problem again!
So either it's the CM 10 ROM or something with my phone company! GRRRR...
Maybe the next step is to go back to stock and then just try CM 9. Or even CM 7 or something... put a modem on the stock ROM and see if THAT still ****s up.

Aaaaand stock + LB6 modem gets the voice mail notifications.
!%()*!%()*!#% phone company!