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After some investigation, I believe the data connection loss for me on 2.2 seems to be related to WiFi. If I have WiFi on and connected and leave the wifi area (elevator) it seems that's when the issue occurs. To test it out, I have been turning off Wifi while still connected and I'm heading out. So far I haven't lost data connection since i've been doing this and I specifically did things that led me to lose data connections in the past.
I think the software believes the Wifi is still connected when its not and thus the 3G data doesn't come on properly.
I'll post back if I have the issue but I'm continuing to try this and hope it works. Nothing and I mean nothing else appears to be an issue for me apart from this thanks to fixes and my good luck it seems.
I have had the same issue. It doesnt happen all of the time for me. It happened right after installing the ROM. I rebooted and it solved the problem. Since Friday, I have had it happen twice. Prior to replying, I turned off the WiFi and the phone switched to 3g without any problems. I'm trying to reproduce it....I think my problem occurs after I have been charging the phone with WiFi on-like it gets stuck. I will not know until in the morning. Like I said, it hasn't happened but twice.
Sent from my ADR6300 using XDA App
Further testing and I think my theory is true. No issues still. Usually by now I have the problem.
hey everyone
so my G2, which I absolutely love, has been having a problem lately. in the first week it happened maybe once and i didn't think much of it, but since Friday it's happened like 8 times now. I'll be sitting there with my G2 and all the sudden I have no service whatsoever. Just an x on the signal strength indicator. 1 or 2 times it has come back after a minute or two, but the other times I had to turn the phone off and back on. the weird part is I'm not moving at all, totally sitting still, but when it comes back on I have FULL bars with HSPA+. so it's not like I walked into an area that didn't get good reception.
any idea what's going on? i looked around but didn't see other people having this issue. any ideas?
thanks
alright well at least i'm not alone. i remember that rumored OTA update was supposed to have some radio bugfixes. maybe when the real OTA update comes it will have something to fix this. i hope so.
I have been trying to diagnose this issue on my phone too.
By any chance, do either of you have your BT on at the time?
Happens to mine as described and I have never turned on bluetooth. However this would also happen to my G1 so I think its a network thing personally.
Yeah, it definitely is. I have 2 areas that it happens in, both are while I am in my car and I have BT on in my car. When I ran it without BT, did not happen.
I have found that when I am in those area's, turning off 3G stops it entirely, even with BT on, so when in my car, I set edge and still use my BT and problem is gone.
I hope this is temporary and an OTA can fix the handoff from 3G to Edge and back better so that I can stop this, but this works well enough.
Mine has done that also, maybe once a week for the past 3 weeks.
Judging by the other problems you can have Id say this one isnt that bad. Especially if it only happens once a week haha. This is the only problem I have with my phone.
no bluetooth...
no no bluetooth on, i never do actually... but also my G1 never did this, which makes me think it's NOT a network thing, but I don't know.
also I'm sure this is just coincidence but it almost always happens when my girlfriend is nearby with her T-Mobile Blackberry Curve. i know it wouldn't make any sense, but she's sitting there on the same network with full service and all the sudden my G2 loses service completely, right next to her... although it's not always while she's there, but like the majority of the times she's been there.
I just started another post to check on something, I have widgets that show me when I am connected to 3G and when I am connected to H. I have noticed that the phone is activity managing that connection. In other word, it is in 3G until data is transfered then it goes to H. I wonder if when we are in areas of "questionable" HSDPA signal if this hand off is causing the problems.
I have seen a lot of op's say that there problems come right after some data activity?
Just a guess a this point
i saw someone mention in another post that it happens after/during a text message alot of times. i haven't noticed that myself, but that's something to think about too.
robinsmy1 said:
I just started another post to check on something, I have widgets that show me when I am connected to 3G and when I am connected to H. I have noticed that the phone is activity managing that connection. In other word, it is in 3G until data is transfered then it goes to H. I wonder if when we are in areas of "questionable" HSDPA signal if this hand off is causing the problems.
I have seen a lot of op's say that there problems come right after some data activity?
Just a guess a this point
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What I've heard is that the phone will stay in 3G mode until you begin using data in order to save battery life. Makes sense to me.
I have Straight Talk AT&T, and so far my experience has been mixed. Sometimes I get full reception and generally awesome speeds (coming from Sprint's slow ass network), other times I get absolutely no service, sometimes it randomly jumps into roaming and i can't get data.. and it stays 'stuck' in roaming mode.. I have to turn airplane mode on/off to fix it.
This all happens without my leaving my desk.
Apparently it isn't limited to Straight Talk AT&T though http://forum.xda-developers.com/showthread.php?t=2038963 http://forum.xda-developers.com/showthread.php?t=2037780
What's going on.. Am I part of a small group, or is this a larger issue..
OpenSignal Screenshots..
http://i.imgur.com/Zwohw.jpg
http://i.imgur.com/XxBBF.jpg
Notice the jump in bars between the two screenshots
same. hopefully they fix all these issues with a new radio. and also losing data while on a phone call!!!
Weird...on mine the bars go all the way down but when i do internet test i still get high connection. Also my internet works fine. Usually bars go down when i hold phone from top right.
Sent from my Nexus 4 using xda app-developers app
sometimes I lose all bars and am still talking on the phone. so strength meter is off and doesn't mean much at this point.
Mine goes all over the place with ST ATT just sitting it on a table
well hows att reception in your area in general? mines pretty steady as far as 1 bar give or take. but theres sometimes I will sit at zero bars all together and still have service. I wouldn't worry about it too much as long as your able to make and receive phone calls etc
daddioj said:
same. hopefully they fix all these issues with a new radio. and also losing data while on a phone call!!!
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So it's been determined that it's not a hardware problem?
well its still early to tell. the phone is still very new so they have plenty of time to tweak the radio and fix bugs. lets hope its not some kind of weak radio hardware issue.
I've been having these as well. Quite annoying, but the data connection still pulls data and works. I've requested an RMA device and should be here tomorrow. Going to test with that, if it's the same then I'd keep this one I already have. Sometimes even if I have full service 5 bars, data will not work. The H will still be on stop of the signal bars, but it won't download/update any data, if I'm using any apps, it'll just hang.
xdviper said:
I've been having these as well. Quite annoying, but the data connection still pulls data and works. I've requested an RMA device and should be here tomorrow. Going to test with that, if it's the same then I'd keep this one I already have. Sometimes even if I have full service 5 bars, data will not work. The H will still be on stop of the signal bars, but it won't download/update any data, if I'm using any apps, it'll just hang.
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What is the process for going about getting a replacement... and keep us posted on whether or not you see any changes..
let us know If the replacement is better. which I don't think so. but if your on original 4.2 with older baseband stay there. don't update and play with the data then. see if its good. then when satisfied update and see if the same problems arise then you know its software bugs
daddioj said:
let us know If the replacement is better. which I don't think so. but if your on original 4.2 with older baseband stay there. don't update and play with the data then. see if its good. then when satisfied update and see if the same problems arise then you know its software bugs
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Will do, I'll keep you guys updated.
xdviper said:
I've been having these as well. Quite annoying, but the data connection still pulls data and works. I've requested an RMA device and should be here tomorrow. Going to test with that, if it's the same then I'd keep this one I already have. Sometimes even if I have full service 5 bars, data will not work. The H will still be on stop of the signal bars, but it won't download/update any data, if I'm using any apps, it'll just hang.
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My N4 pretty much does the exact same thing. Actually, I'm on my replacement phone and it does the same thing as my first one.
which makes me believe its a software bug. or hardware fault. i'm having some faith in software lol :good:
I sure hope it's a software issue, because my connection really sucks. It drops out constantly, but never dropped out a single time on my Backflip during normal hours (only 2 times around midnight during server maintenance or something)
Do you think I should try T-Mobile and see if my issues are resolved..
I just discovered this phone info settings, via *#*#464 or whatever it was.. Is there a particular setting it should be on, not WCDMA Preferred?
I'm having the same problem: the signal strength is very erratic. I'm on Rogers in Canada, which is same frequencies as AT&T.
I've never seen such erratic signal strength before.
On the other hand, though I haven't had it very long and haven't put it through its paces, I haven't noticed any significant signal issues, like dropped calls. So, I don't want to jump to any conclusions that what I'm observing is actually a problem.
Does anyone know of an app that tests the quality of my data connection? I know everyone uses speedtest.net but that just tests burst speed and I'd like something that will test the consistency of my connection too.
same problem
I'm having the same difficulty. Signal can be at 3 bars then all of a sudden goes to 0 bars.
Has anyone determined if this is a software or hardware fault? Any solutions?
Thanks
Raul69.atl said:
Weird...on mine the bars go all the way down but when i do internet test i still get high connection. Also my internet works fine. Usually bars go down when i hold phone from top right.
Sent from my Nexus 4 using xda app-developers app
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Same exact behavior I'm seeing. I hope this is a software issue.
I have a stock t-mobile s7 edge device. It's losing the mobile network. I've noticed it a couple of months ago - it happened a few times but recently the problem is getting worse. It already happened 3 times this week.
Seems like completely random. Sometimes I notice it after I go somewhere with weak signal or no signal at all. Sometimes when I get back to an area with good signal it reconnects and sometimes it doesn't. Sometimes it shows the bars and says it's connected to t-mobile but 4g doesn't show up at all. So you can call but no internet. Sometimes no signal at all.
When it happens the only way to connect is to reboot the phone. Nothing else helps. If you try to connect to network manually - it can find t-mobile but unable to connect. just spins. Changing from lte to 3g or 2g also doesn't work.
I even tried to create a new APN - same thing.
Please heeeeelp...........
Last time this happened to me on another device, it was the sim card that had a problem. Have you tried with another SIM card?
No, but I don't believe it's a sim card related problem. Wife's phone has the same problem although less frequently. But she also travels less.
It looks like a configuration / firmware or maybe hardware issue to me.
I'm experiencing the same issue. It seems to happen when the phone loses signal completely like when deep inside a building. Then it won't reconnect to data or the network by itself.
From the first moment when I got my edge back in April I noticed that the radio performance was weaker than other phones. Then I got the Note 7 and same issue again. Then back to an s7 edge and the problem seems to be worse on this one specially after the latest software update.
Sent from my SM-G935T using XDA-Developers mobile app
My wife (s7) and me (s7 edge), as well as a co-worker (s7) are having this same issue.
Before it was happening occasionally, but after the last update its happening WAY more often.
Wiping cache seems to help with frequency, but still did not eliminate the problem. Hopefully it gets fixed with an update. I'm not sure how much longer I'll be able to put up with it.
Edit: I forgot to add a "simple" fix I've found that works almost all the time is to turn off mobile data, turn on airplane mode, turn off airplane mode, wait for signal, then turn on mobile data. Those steps in that exact order work for me most of the time.
So I've been having the same issues as everyone stated. The only fix is to reboot the phone, but who wants to that every time. I even changed the sim card!! I wish T-Mobile would get out of their feelings and start selling more flagship phones.
I have made the decision to jump to LG V20. I hope this issue doesn't exist with the LG.
I've just got my s7 edge and I'm sort of having same problem at home got 2 bars and sometimes goes to 4 bars but also wen I called someone the line was crackling but person said could her me fine so done a wiped cache and think it's sorted it now for the time being
(Edit ~ it's done it again could hardly hear person I was talking to)
Sent from my SM-G935F using XDA-Developers mobile app
Since I updated to B29 I have noticed some serious cellular connectivity issues. While browsing the web I simply get no response. I have to toggle on/off the data switch in order to fix the connection, despite the phone showing 4G LTE and 3 or more bars on T-Mobile. Even accessing the Google Play Store I get a message the following message: "No Internet connection. Make sure Wi-Fi or cellular data is turned on, then try again", despite showing 4G LTE and 3 bars on my phone. Is anyone else experiencing the same bug? If so, has anyone found legit a fix? Or perhaps there is another bug you are experiencing. Please share with us in the forums.
Thank you for your time.
I haven't experienced any network issues since I updated. Granted, I didn't have problems with internet on B27 either. Which provider do you have? Did you fully wipe data when updating?
The only bug I've experienced is that sometimes apps don't stay in memory and have to be restarted everytime I switch back. A restart fixes the issue though
No issues on B29 with Verizon here.
No issues here on AT&T stock B29
Same here on att no issues.
I am on AT&T and wonder if others are having issue with going inside a building where the signal is weak and getting a "no signal" message? On the ZTE USA web site it has been pretty much nailed down to the radio hanging on to a weak LTE signal and dropping it instead of automatically switching over to 4G or 3G like it's supposed to do. I have had this issue from the day one, before B27 and B29. Hopefully ZTE will get the bug worked out soon.
My suggestion , before you blame the update is to call t-mobile and ask. They often have problems with towers, being hacked,etc and will not say anything unless asked.
I'm having issues with audio level dropping randomly. Happens when watching YouTube or listening to Apple music.
Some apps that could do background audio playback won't do it anymore in b29 for me, and the Facebook app closes when the screen goes off. Signal and all else seems to be the same for me.
B4oE said:
Since I updated to B29 I have noticed some serious cellular connectivity issues. While browsing the web I simply get no response. I have to toggle on/off the data switch in order to fix the connection, despite the phone showing 4G LTE and 3 or more bars on T-Mobile. Even accessing the Google Play Store I get a message the following message: "No Internet connection. Make sure Wi-Fi or cellular data is turned on, then try again", despite showing 4G LTE and 3 bars on my phone. Is anyone else experiencing the same bug? If so, has anyone found legit a fix? Or perhaps there is another bug you are experiencing. Please share with us in the forums.
Thank you for your time.
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I solved this issue with me a LONG time ago by turning off VoLTE. Did you try that?
I don't want to 'blame'the update, but ever since, whenever I minimize an app and then re-open it, it loads all over again. Webpage login again, games reload from beginning. I'm probably just missing something,...and it has nothing to do with update. Maybe I toggled something by accident,... Any ideas?
I got my new 2017u yesterday (iam german) and the first iam really impressed about the LTE/4G receiving but the 4G indicator seems to be buggy because it shows me allways 4G but in real i have only 3G/H. When i have real 4G/LTE it shows 4G and under that LTE.
I have my rooted so is it possible to change that, that it shows the real receiving instead of allways 4G?
tasar said:
I got my new 2017u yesterday (iam german) and the first iam really impressed about the LTE/4G receiving but the 4G indicator seems to be buggy because it shows me allways 4G but in real i have only 3G/H. When i have real 4G/LTE it shows 4G and under that LTE.
I have my rooted so is it possible to change that, that it shows the real receiving instead of allways 4G?
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Look here
http://forum.xda-developers.com/axon-7/help/axon-7-wrong-4g-icon-status-bar-t3461166
HSPA+ in US is marked as 4G. I don't know how to change it with root, if you find a way post it!
thanx for clearing, dont know the difference. Hope that someone find a way to change that, but iam not the person, have not enough know how for that
Horizontal notifications are still unusable. How does something this simple still not fixed? Granted I hardly ever hold my phone horizontal but when I do and pull down the notification bar, I'm reminded how shoddy this software can be.
runderekrun said:
Horizontal notifications are still unusable. How does something this simple still not fixed? Granted I hardly ever hold my phone horizontal but when I do and pull down the notification bar, I'm reminded how shoddy this software can be.
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This is because ZTE chose a very high DPI setting for the phone making everything huge. I changed mine to 480 a while ago and everything is much smaller and landscape mode is a lot better. Granted there are still some graphical glitches here and there because of that change, but overall I'll take them. Hopefully when Nougat comes out they will ditch their in house quick toggles for stock ones and keep the new DPI slider so people can change it properly.