I have been using Beanstalk 4.4.4 for E980 for quite a while and my phone has been hehaving well. But lately I can't make or receive any phone calls if my network is on LTE. I know that voice is on 3G (HSPA) but when I am on LTE and I make a phone call, the signal switches to H and then it disconnects after I hear one ring. Also, when I receive a call and I am on LTE, once I hit answer, the call disconnects. I then did factory reset and also flashed other CM11 based roms such as Vanir and Blissstalk and the issue persists. I searched on the web and it seems to be an issue with CM11 users with ATT such as Nexus 5 and one plus one users. The rumor is that ATT is experimenting VoLTE in the northeast area (I live in NYC) and that there is a problem in CM11 in that situation. My wife's S4 doesn't have this problem with touchwiz version of kitkat. I can fix this problem by choosing 3G as my preferred network but then I lose LTE speed in data.
So are there any other people experiencing the same problem? Is there a CM fix that I could flash to avoid this problem?
try this
You try changing preferred network to 3G from LTE, and maybe that should fix the issue.
I'm using e980 with CM11 snapshot m11, and starts about a month ago, my phone starting to loose the connection to the mobile network regularly. It happens when ever I reboot the phone, and I have to reboot the phone 2-3 times before it's able to connect again. I switch to the cm11 nightly 3 days ago, as of right now I have been able to connect to the mobile network each time I reboot my device. I saw a few complaints regarding this issue on the cyanogenmod forum. Just thought I share the problem.
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So i rooted my phone over a week ago, and tried out many different roms. Everything was going fine, until i noticed yesterday that i kept losing voice and data connection. I tried updating to the latest radio which was out today 5.09.00.20, but still have the issue.
The only workaround i've found so far is to set the network mode to GSM only. But obviously it's not very practical for a phone like the desire. When i have it on GSM/WCDMA Auto, it keeps voice and data on for about a minute, then i lose it. And when it's on, i still can't make any calls. But i can make and receive calls fine on GSM only.
Anybody have a clue what's going on here? I tried calling T-Mobile, but they were as useless as always. Apparently there was an issue on the 29th, which is now resolved, and they refreshed something on my profile. So i dunno if rooting/flashing my Desire has caused this or if it's some network outage.
I'm currently running the latest DeFrost rom. I've tried SenseFroyo (Opendesire), LeeDroid & i'm now running the official 2.2 sense rom.
I've also been having problems when connected via 3G for the past few days, but only when I'm at home (so I think it's a specific cell). The signal indicator shows a good signal but attempting to use the internet over 3G just times out, and my voice calls keep getting dropped.
Like you I can work around the problems by switching to GSM only.
I think it might not be a problem with my phone though, because I've tried putting my SIM card in my Nokia N95 and the internet doesn't work over 3G on that either (internet works using GSM on N95). I did manage to make a call on my N95 when my Desire was dropping both incoming and outgoing calls within seconds though.
Weird! I'm going to give it a few days and report it to T-Mobile if it's still happening.
It's fixed for me now. I guess it was a network outage
I've got a strange problem that I cannot solve or find anyone else that has had the same problem.
I recently updated to Minco V4 and since my status bar has been showing no signal and mobile standby shows 100% without signal yet I have mobile data. I cannot make any phone calls but can browse the internet. No amount of rebooting, airplane mode on/off will work. I've also gone back to both stock ICS and JB where the problem still exists.
My network is T-Mobile and it won't let me manually connect to it but the phone will occasionally register when I select automatic although it doesn't correct the fault. Anyone have any ideas what has gone wrong with my phone?
UPDATE: It seems I can only get a phone signal when select 2g T-mobile network only or connecting to T-Mobile orange. If I untick 2g networks and it connects to t-mobile 3g I can't receive or make calls.
Does your Radio and baseband match?
I installed the linked radio from the MiNCO thread after flashing the rom and discovering this issue yet it made no difference.
I got a phone signal momentarily about 15 mins ago which allowed me to make a short phone call to test it. I then accepted the JB system update from Google and now have no phone signal, just data.
Periodically I would not receive texts or calls if I leave my settings on GSM/WCDMA/LTE, enabling Data would restore functionality but it shouldn't be necessary for those lower level services.
I had this issue on the last few builds of official CM10.2 and continues on the CM11 nightlies.
Manually switching to WCDMA preferred fixes issues but only H+ service and it's a nuisance to switch each time. LTE quick settings button has been broken in CM11 since it started. Thought I'll ask if anyone's experiences a similar problem and has a fix.
Currently on the MK2 modem, switched last week to try and see if that was the issue from previous one. I've checked the APN and it looks fine to me, I know I've seen a few variations for T-Mobile, maybe there's a better one.
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Paulenski said:
Periodically I would not receive texts or calls if I leave my settings on GSM/WCDMA/LTE, enabling Data would restore functionality but it shouldn't be necessary for those lower level services.
I had this issue on the last few builds of official CM10.2 and continues on the CM11 nightlies.
Manually switching to WCDMA preferred fixes issues but only H+ service and it's a nuisance to switch each time. LTE quick settings button has been broken in CM11 since it started. Thought I'll ask if anyone's experiences a similar problem and has a fix.
Currently on the MK2 modem, switched last week to try and see if that was the issue from previous one. I've checked the APN and it looks fine to me, I know I've seen a few variations for T-Mobile, maybe there's a better one.
Sent from my SGH-M919 using Tapatalk
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I've recently seen this happen in cm11 when I'm in certain areas, where before updating to the newest nightly, I would get great signal and still send/receive calls/text. Now for it to work properly I would need to switch from 'lte/gsm/wcdma' to 'gsm /wcdma auto' mobile network.
Hey guys I need help,
I recently flashed loserskater's SRx3 TW based ROM for my i747 which went fine but I decided to revert back to an AOSP rom for overall smoothness. For those unfamiliar with SRx3 ROM, it comes with an AROMA installer which had one of the options indicating that if I wanted WiFi I had to use a specific kernel. So, naturally, I did. Well now after reverting back to an AOSP ROM, I'm noticing that LTE isn't connecting and that my signal continuously drops. Every 10 or so minutes my mobile signal will drop completely, not allowing me to make calls or texts. Also, when the mobile network is available I'm seeing H+ in my statusbar when normally I've been seeing LTE since I live in a really strong LTE network. I've checked the Mobile Networks section of settings and cannot figure out which one needs to be selected to re-enable LTE. HELP!
I have the same problem. A little less frequent than you though.
I've been using my Nexus 7 2013 LTE for almost a year now. But since last week I've been having trouble connecting to the internet via mobile network. I have full signal, but no data connection.
At first the issue was intermittent, but now it's constant. Incidentally, sometime after I started getting problems (but during a brief period of time when I did in fact had a data connection) the device got upgraded to Android 4.4.4. Maybe the upgrade had something to do with the issue, but i'm sure that it started happening before the upgrade.
For some time I was sure that the issue was with the network. After long useless conversations with them I finally tried the sim on another device, and to my disappointment, it worked fine.
I also found out that if i change the preferred network mode to 2G, then i do get a data connection. That's not very useful.
Any thoughts?
I've been having a similar problem since the 4.4.4 update. I work in an LTE coverage area, and live in a 2G area. It transitions just fine from 2G into 3G and LTE, but then when I go back into the 2G area it drops signal entirely. Toggling airplane mode won't make it recover, but a full reboot will. After the reboot it works fine again. I'm considering trying a factory reset to see if that helps.