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Losing data connection on CM7

I have been keeping up with the updates hopeing each one will fix my problem but not yet. I don't see others with the issue.
I'm running the latest Test4(Test3) using Slayhers stock kernel. Everything works awesome except intermittently I lose connection whether I'm using Wifi or 3G(No 4G in my area). The only way I've found to get it back is reboot.
Is this a widespread issue or just me?

Same issue here. I live in 4G area. Intermintent Data Loss. If i switch to CDMA i get a 3G but CDMA/LTE i get nothing. I had data allday yesterday but none today.

I think the RIL is still being worked out. Bear in mind that this is a Pre Alpha Pre release. Also LTE is something completely new to the world of CM and to American cell phones. I've run CM on 3 different devices and I will tell you that by the time nightlies roll around, it will be near perfect. The CM team won't put their name behind something that is half working, half assed, etc. Be patient.

I had the same problem but now I have a small problem. I have a very fast wifi setup at home but it doesn't like to actually connect to it. Looks like 3G is riding shotgun for a while.
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dankpupdaddy said:
I had the same problem but now I have a small problem. I have a very fast wifi setup at home but it doesn't like to actually connect to it. Looks like 3G is riding shotgun for a while.
Sent from my ThunderBolt using XDA Premium App
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One thing I read about the WIFI is, try turning the WIFI on then reboot with the WIFI on to see if you then connect.

Yeah, I think we'll all be experiencing this until the crew addresses it in a future update. However, it is still a great start. Not a whole lot of major issues, no deal breakers. I'm still using it as my DD.

Definately!!! I love the cm7 build and I'm thankful for all the work. Just wasn't sure if there was an easy fix I had missed.
Thanks all!
Sent from my ADR6400L using XDA App

[Q] Connectivity problem, all roms?

Been using custom roms on my Inspire 4g since about March with no serious issues till this week. Sometime around wednesday, my connection to my google account, the connection to talk, market, gmail, etc. Seems to be dropping out and locking up my 4g connection for a minute or two. This is really annoying. I have tried numerous different radio and rom combinations as well as going to the store and getting a new phone. The only thing that keeps it up and running is if I roll back to stock. Any help would be greatly appreciated.
Have recently tested Absolution, CM7, Android Revolution, and TalonRom with recommended radios per developer instruction to no avail. But am up and running fine with roll back to att gingerbread update via hack kit...
Any suggestions?

I was experiencing loss of background data on both my inspire and my atrix with stock gingerbread, until just recently. The only conclusion I came to was that ATT had a problem, at least in my area, with background data staying connected on 4G phones running gingerbread, except on wifi. About a week and a half ago, I noticed that the problem had mysteriously resolved itself, and I was having no more issues with push to email and other apps. I can only assume it was something they fixed with a network solution. Perhaps this fix has caused a problem with the roms you're using. I know that numerous calls to customer service failed to produce an answer for my issues, it seemed either no one could figure it out, or it was a known issue that they weren't acknowledging.
Sent from my Desire HD using XDA App

Yes, similar to me. Thanks for the reply. I'll give a Rom a try over the weekend and see if the problem has rectified itself.
Sent from my Desire HD using xda premium

Data connection issues.

Hi. I was using my Sensation last night, went to bed and woke up the next day only to find that my 4G connection wasn't working! The signal bars were white and the icon (currently an H) is flashing. What does this mean? How can I fix it? I can only use Wifi at the moment, and I DO NOT pay an extra $10/mo to deal with this! How can I fix this? I've checked my data settings, rebooted my phone, scanned fir viruses, but can't figure it out!
Sent from my HTC Sensation using XDA

611

I don't follow you.

ClipTy said:
I don't follow you.
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They are referring to the number you call for T-Mobile US costumer service.

At my house edge goes is and out..flashing E.. tmo must either know or are working on it

mulletcutter said:
At my house edge goes is and out..flashing E.. tmo must either know or are working on it
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this happened to me the other day, even in 3G/4G mode my data would never connect and E would just keep flashing over and over again (in like 10 sec. intervals) thought it was a ROM problem so I restored a backup and sure enough, the problem was still happening. I could still make calls and send texts fine tho. its not happening to me anymore, but I found it weird. could it possibly be T-Mobile messing with their towers or something in preparation for LTE?

Well, I'm not sure what caused this very same issue for me a couple days ago. I can say that it ONLY effected my AOSP (CM9) rom, but my Sense rom was unphased. It seems to be a common recent complaint in the OpenSensation thread...
I've since then done a fresh install of CM9 RC1 with the addition of Tamcore's kernel. Although I'm not experiencing the described symptom any longer, I can say that my data speeds are far from exceptional. I'm not sure what is going on, but it does seem to be carrier related.

I experienced the same 1 day after flashing CM9 RC1. I re-flashed the Virtuous Inq. ROM I was using previously and the problem went away

My phone went back to normal later on. I think you were right mulletcutter, they might have been servicing it.
Sent from my HTC Sensation using xda app-developers app

Same data connectivity issue
I have two sensations, both shows similar data connectivity issue on TMobile. Data signal jump to connected and not connected for couple hours, and eventually problem will go away. I have both phones rooted running either CM9 or Kang. So far I have tried couple following things but no solutions. I believe its HTC Sensation hardware issue:
1. Flickering so far seen usually after night long charge in the morning. It will last couple hours, some time days.
2. Changing/reflashing ROMs did not help at all and saw same issue continued.
3. One of my friend has Sensation and he also has seen same issue.
4. Some time going into Phone application(Dialer) and then Settings/Advance settings and come back without doing anything helps but not always.
Please post here is you have temporary/permanent solution or even know the root cause of this data connectivity issue.
Also thinking to call Tmobile to get some kind of help but not expecting much as I bought phones more than year ago but less than 2 years. I don't want to give any more commitment/agreement with Tmobile as planning to move to value plans to save some money. If Tmobile does not help, thinking to try American Express to conver it under extentended warranty as I paid by AMEX credit card.
Thanks

Have you tried the application get ril? I was having some issues myself, I'm also T-Mobile. I tried get ril and found out my radio and ril we're not matching. The application suggested a ril for download and once I did that I went from one bar of connection to five bars of connection on H. It made a big difference for me. Perhaps it could also help you? You can download get ril from the market. It sure won't hurt to try. Best of luck.
Sent from my HTC Sensation using xda premium

Its a defect in the basic aosp framework. There is nothing you can do to fix it. There is also nothing your usage did to start it.
The good news is that it should disappear on its on after a few hours.
Check my threads started history. You will find a thread near the top of that list showing almost all there is to know about this issue. I think my thread might be linked in the first 2 posts of the cm10 faq thread too.
Sent from my HTC Sensation using xda app-developers app

Constant Data loss

Hi, i hope someone can help me but im running a Mytouch 4G slide with Cyanogen Alpha 5 with s-on and everything works great and has been for the past 2 days since purchased and rooted it, Today however i have been having constant data loss. What happens is on my signal bar i can see the H come and go come and go come and go for about 5-10 seconds intervals, when it comes, it immediately goes away and then comes back after about 5-10 seconds. I tried to do a factory reset and after losing everything i hoped it would fix it but it only fixed it for about 5 minutes then it continued doing the same exact thing as before but i have great signal reception. If anyone has any clue on how to fix this or maybe get a new Radio that fixes it, i would be more than glad to turn S-OFF as it is currently S-on. Thank you and i really appreciate all the hard work and help!

TheRealEvo said:
Hi, i hope someone can help me but im running a Mytouch 4G slide with Cyanogen Alpha 5 with s-on and everything works great and has been for the past 2 days since purchased and rooted it, Today however i have been having constant data loss. What happens is on my signal bar i can see the H come and go come and go come and go for about 5-10 seconds intervals, when it comes, it immediately goes away and then comes back after about 5-10 seconds. I tried to do a factory reset and after losing everything i hoped it would fix it but it only fixed it for about 5 minutes then it continued doing the same exact thing as before but i have great signal reception. If anyone has any clue on how to fix this or maybe get a new Radio that fixes it, i would be more than glad to turn S-OFF as it is currently S-on. Thank you and i really appreciate all the hard work and help!
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I'm having the exact same problem and have been running CM9, Alpha 5, S-ON since a few days after it was released with no problems at all. I didn't notice it until I got to work since I have wireless at home but have not had data all day. I called T-Mobile and they're not experiencing any outages in my area (Philadelphia) so that's out of the question. The only changes that have been made to this phone have been making sure to keep my apps updated.
I know this isn't an answer to your problem but you're not the only one having it. Hopefully, someone can provide some insight.

http://forum.xda-developers.com/showthread.php?p=28692986
Sent from my GT-P3113 using xda app-developers app

Note that I've had the same data issues on CM9 Alpha5 with two different devices. I was able to replicate the intermittent data issue on my sister's mt4gs. Her's was s-on. Then I s-off'd her phone using revolutionary and still had the data issues.
I reflashed back to stock 1.63 and data worked fine. Then I used JuopunutBear to s-off and flashed CM9 Alpha5. Data has been consistent and flawless on both devices ever since.
Sent from my GT-P3113 using xda app-developers app

jjbz said:
http://forum.xda-developers.com/showthread.php?p=28692986
Sent from my GT-P3113 using xda app-developers app
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Changing the APN setting to internet2.voicestream.com worked for me but I'm still curious as to why after a month of running CM9 A5 with no problems, the data just dropped on me today.

I think this is nation wide and not just a rom problem a couple people I've talked to have been having data/signal problems all different phones.
Sent from my myTouch_4G_Slide using Tapatalk 2

slaya811 said:
I think this is nation wide and not just a rom problem a couple people I've talked to have been having data/signal problems all different phones.
Sent from my myTouch_4G_Slide using Tapatalk 2
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Not necessarily, i think its just the Mytouch 4G slide running the cyanogen.. Im running an HTC Amaze with revolution ICS 3.6 sense s-on for over a month now and it has worked great no problems whatsoever... as for this Mytouch 4G slide, i still cannot get this problem fixed, they phone gets data back at times and then the problem hits it back just a couple hours later and it is very frustrating. I have also tried to fix it by doing the whole root process again and that only fixed it for 24 hours till the next day so thats out of the question as to answer post #2. I guess i will just have to wait and see for a new cyanogen update to come out for the Mytouch 4G slide.

Sensation Data Issues Containment Thread

Ive been having problems with my data for a while. My conclusion is its not any roms or radios ive used, its the phone. T-mobile thinks the same thing. After seeing bruce's CM10 thread clogged up with posts about it i figured we could discuss it here.

A little more explanation would help. Problems with data is vague. Specifically, what about your data connection is considered a problem ie is it not connecting? Is it disconnecting? Do you only get 3G or 4G
Sent from my HTC Sensation using xda app-developers app

I used to have data issues all the time with CM9 & CM10. Sometimes reflashing the ROM would help, but it got to the point where I had to flash a Sense ROM to get my data working and then flash CM again. That would work for a few days, but then my data would start cutting in and out again, usually after turning off WiFi. I finally formatted my SD card and have been free of data issues for over a week now.
It seems that perhaps some file or other from Sense ROMs that is left on the SD card is causing a conflict with AOSP and/or T-Mobile's APNs.
Sent from my HTC Sensation using xda app-developers app

mike565sd said:
I used to have data issues all the time with CM9 & CM10. Sometimes reflashing the ROM would help, but it got to the point where I had to flash a Sense ROM to get my data working and then flash CM again. That would work for a few days, but then my data would start cutting in and out again, usually after turning off WiFi. I finally formatted my SD card and have been free of data issues for over a week now.
It seems that perhaps some file or other from Sense ROMs that is left on the SD card is causing a conflict with AOSP and/or T-Mobile's APNs.
Sent from my HTC Sensation using xda app-developers app
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quick format or a full format?
---------- Post added at 10:37 PM ---------- Previous post was at 10:23 PM ----------
i just formated my sd deleted everything possible and flash rom + gapps.
still getting the data hanging issues.
the service is shown with signal flashing h then it will go off and drop its connection why =[!!!
it works when i flash a sense rom but not bruce's rom!

I just did a quick format. I forget to mention it in my previous post, but I also changed my radio and ril from the latest ones to the official T-Mobile ones - 11.69A.3504.00U_11.23.3504.07_M2 and 4.0.0024HMQ.
Sent from my HTC Sensation using xda app-developers app

mike565sd said:
I just did a quick format. I forget to mention it in my previous post, but I also changed my radio and ril from the latest ones to the official T-Mobile ones - 11.69A.3504.00U_11.23.3504.07_M2 and 4.0.0024HMQ.
Sent from my HTC Sensation using xda app-developers app
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what was your problem with your service?
and could you provide those links please?

threw the OP up this morning before an interview just to get people to shut up in bruce's thread about it. most people with issues that sound similar to mine dont seem as bad. basically, i just have terrible service. even in places where i shouldnt. my network when i get to either 3g or H just bounces between the two. even the one time i actually got full bars of 3g it just kept bouncing to H and then bouncing back. if i have two bars of edge in my livingroom and try to send a text, itll just drop the service completely. if someone makes a call to me and im on 2 bars or less of any network it will just drop the network completely. happened once i moved from vegas to phoenix, flashed every ril/radio combination i could find. every one is the same. talked to other users in close proximity to me with a sensation and they said they get great service everywhere. happens on every rom as well. messed with APN settings, went to the store and got a new sim card. everything. Like i said, im certain my issues are worse than everyone elses but itd be interesting to see what different groups of people are experiencing with data issues to see if its something with our phones.
BTW - tmo at the store said "buy a new phone" AWESOME customer service i must say.

SK1LLS said:
what was your problem with your service?
and could you provide those links please?
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After a few days, my data would just stop working. I would have 3 or 4 bars but the 4g or 3g icon would appear for a second and then disappear over and over.
I found the radio and ril in this thread
http://forum.xda-developers.com/showthread.php?t=1202867
Sent from my HTC Sensation using xda app-developers app

mike565sd said:
After a few days, my data would just stop working. I would have 3 or 4 bars but the 4g or 3g icon would appear for a second and then disappear over and over.
I found the radio and ril in this thread
http://forum.xda-developers.com/showthread.php?t=1202867
Sent from my HTC Sensation using xda app-developers app
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I had this exact same problem on cm9. I've had to take refuge in viper's sense 4 rom until I could figure out what caused it. I was able to fix it once before by flashing a combo of roms and radios. Then it happened again and just stayed on viper as it doesn't reoccur on a sense rom.
Note: This happened to me before cm10 was even developed. I was running AOKP at the time. It also happened on a backup that was 2 weeks old before the problem first happened so its not entirely rom related.
Sent from my HTC Sensation 4G using Tapatalk 2

PanCubano said:
I had this exact same problem on cm9. I've had to take refuge in viper's sense 4 rom until I could figure out what caused it. I was able to fix it once before by flashing a combo of roms and radios. Then it happened again and just stayed on viper as it doesn't reoccur on a sense rom.
Note: This happened to me before cm10 was even developed. I was running AOKP at the time. It also happened on a backup that was 2 weeks old before the problem first happened so its not entirely rom related.
Sent from my HTC Sensation 4G using Tapatalk 2
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this is what im saying. no combination of flashing anything fixes mine so just be glad you guys can still fix yours i guess. the tmo guy was like "sometimes things just break... so you should sign up for a new contract and buy a new phone" oh, and surprise, i had a 12 month warranty on the phone of course. goes bad at 12.5 months

PanCubano said:
I had this exact same problem on cm9. I've had to take refuge in viper's sense 4 rom until I could figure out what caused it. I was able to fix it once before by flashing a combo of roms and radios. Then it happened again and just stayed on viper as it doesn't reoccur on a sense rom.
Note: This happened to me before cm10 was even developed. I was running AOKP at the time. It also happened on a backup that was 2 weeks old before the problem first happened so its not entirely rom related.
Sent from my HTC Sensation 4G using Tapatalk 2
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So this sounds just like my issue. I've been running on BADOSP's ROM which is based on AOKP M6 for the past week or more with zero issues with data connectivity. Never a problem getting 3G/H where I was supposed to. I flashed CM9 last night to check it out and decided against it and reverted to my backup. I was running fine through the night on my backup but then set it in airport mode last night, came out of it and flashed a basic AOKP install for fun this morning. After that I can't get a data connection to stick on any AOSP type ROM. Not in CM9, not in AOKP, I've cleared/formated EVERYTHING went to backups of systems that used to work and now don't, nothing. Finally, I had a nandroid from Vipers Sense4 rom as well and it was basically exactly the same - seeking refuge for a working system in the mean time.
Seems no matter what now I cannot make an AOSP ROM work but I'm at least functional in a Sense 4 ROM. I would love to know what happened if anybody figures it out.

dupsatou said:
So this sounds just like my issue. I've been running on BADOSP's ROM which is based on AOKP M6 for the past week or more with zero issues with data connectivity. Never a problem getting 3G/H where I was supposed to. I flashed CM9 last night to check it out and decided against it and reverted to my backup. I was running fine through the night on my backup but then set it in airport mode last night, came out of it and flashed a basic AOKP install for fun this morning. After that I can't get a data connection to stick on any AOSP type ROM. Not in CM9, not in AOKP, I've cleared/formated EVERYTHING went to backups of systems that used to work and now don't, nothing. Finally, I had a nandroid from Vipers Sense4 rom as well and it was basically exactly the same - seeking refuge for a working system in the mean time.
Seems no matter what now I cannot make an AOSP ROM work but I'm at least functional in a Sense 4 ROM. I would love to know what happened if anybody figures it out.
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So in case anybody else finds this. I was having no problems in sense based roms it seems and only AOSP roms fail to establish a data connection. I had read a few posts in different places about wiping the SD Card but I didn't want to do that for nothing. So I restored a nandroid of an AOKP ROM and then selected to power off from EXT4 instead of rebooting. I then popped out my SD Card and powered on. It took a minute for the data to establish but it worked. I put the SD Card back in and it kept working. I have rebooted since then and it STILL works. I'm not sure what prompts the problem but ultimately this solved it for me. Been running 24 hours now with no issues. Hope this helps somebody else.

dupsatou said:
So in case anybody else finds this. I was having no problems in sense based roms it seems and only AOSP roms fail to establish a data connection. I had read a few posts in different places about wiping the SD Card but I didn't want to do that for nothing. So I restored a nandroid of an AOKP ROM and then selected to power off from EXT4 instead of rebooting. I then popped out my SD Card and powered on. It took a minute for the data to establish but it worked. I put the SD Card back in and it kept working. I have rebooted since then and it STILL works. I'm not sure what prompts the problem but ultimately this solved it for me. Been running 24 hours now with no issues. Hope this helps somebody else.
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Unfortunately, this worked for a day and a half. This morning it suddenly started doing what it was doing again. Haven't had any time to troubleshoot or try anything as I'm about to be traveling so I had to revert to Viper's Sense ROM again.

I'm also having the same problem. It just started a couple of days ago when I was running CM9. I figured a wipe and flash would fix it. I am now on CM10 and still having the same problem. Anyone have a solution?