Oxygen OS/CM12 T-Mobile IPv6 Issues - ONE Q&A, Help & Troubleshooting

Whenever I switch my APN setting to IPv6, my days disconnects and refuses to work until I switch back to IPv4. I checked my wife's phone (G3) to see how she was getting LTE and I was getting 2G while we are sitting right beside each other and it was the different APN setting. Any one else having this issue or has found a solution?

I can also confirm this issue, data only works on IPv4.
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[Q] Internet Issues

I just got my Sensation today, unboxed it, but it won't do anything over the internet over wi-fi. I have connected it to my wi-fi router and it says it is connected with 4 bars of signal, but whenever I try to go to a webpage it brings up the Android fault screen saying "Webpage not available", it seems to do the same thing when connected through my pc (having said that, I am less sure my settings are correct for that to work).
I have moved from a Motorola Milestone, which works perfectly on the same network.
Does anyone have any ideas what I am doing wrong?
Cheers,
Dave
triviadave said:
I just got my Sensation today, unboxed it, but it won't do anything over the internet over wi-fi. I have connected it to my wi-fi router and it says it is connected with 4 bars of signal, but whenever I try to go to a webpage it brings up the Android fault screen saying "Webpage not available", it seems to do the same thing when connected through my pc (having said that, I am less sure my settings are correct for that to work).
I have moved from a Motorola Milestone, which works perfectly on the same network.
Does anyone have any ideas what I am doing wrong?
Cheers,
Dave
Click to expand...
Click to collapse
the only thing i can personally think is try making sure your router has all the latest drivers.....better yet...try to connect to a different wifi spot to eliminate phone or router. if, with a different known working router it doesn't work, then get worried.
I'm having similar problems. With my Vodafone sim everything works fine, but with my T-Mobile sim (which I want to use until my number is ported), I get 4 bars of HSDPA signal but no data connection and the wi-fi doesn't work.
bjones4 said:
I'm having similar problems. With my Vodafone sim everything works fine, but with my T-Mobile sim (which I want to use until my number is ported), I get 4 bars of HSDPA signal but no data connection and the wi-fi doesn't work.
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Click to collapse
Thanks, glad I'm not the only one. I've just tried it with my T-Mobile sim, and that has the same problems. Will probably try calling vodafone tomorrow or going in store, I hold out more hope of finding someone helpful online though. My experience of store staff is not 100% positive for technical stuff.
WiFi is good on mine although I don't get a 3g signal at all at home. T mobile sim doesn't connect to internet either but hopefully that should be because the internet settings should be changed for t mobile. I'm hoping that any issue we have can be sorted with a new radio.
agent.m said:
WiFi is good on mine although I don't get a 3g signal at all at home. T mobile sim doesn't connect to internet either but hopefully that should be because the internet settings should be changed for t mobile. I'm hoping that any issue we have can be sorted with a new radio.
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Click to collapse
You'll probably need to add new APN settings for t-mobile, as the Vodafone Sensation only has the vodafone APN.
lol that what i meant. but vodafone should have a better signal that t-mobile its struggling to keep 1 bar. hope this not one of those antenna bugs that my old tytn 2 had
I've not yet tried WiFi but my mobile data is now working fine on T-Mobile with the following APN settings;
Name: TMobile GPRS
APN: general.t-mobile.uk
Username: user
Password: pass
Enter that via the APN option in settings under wireless networks.
Sent from my HTC Sensation Z710e using XDA Premium App
It looks like it is a problem with my router / network. I have managed to get wireless working on a different wireless network, so I think I need to play with my router to see if I can get that to work.
Thanks for all the help guys.

HSPA+ APN not wokring?

I have been throttled on LTE and today the HSPA+ APN is yielding no data connection. Anyone else having this problem?
APN phone
type internet
I have also tried various other apn's found on this forum and none are working.
mine too. "phone" apn not working
neo702 said:
mine too. "phone" apn not working
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Click to collapse
Mine started working, so who knows.
Make sure your network mode is on HSPA..though I'm not sure if that is a ROM specific thing. Mine stopped working, but I changed my network mode and it came back.
glad I'm not the only one. Mine is acting spotty. In and out. Switched to PTA. Working awesomely
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Possible fix to data connection issues

As with many skyrocket users, there seems to be trouble connecting to the AT&T data network for an extended time. the 4g icon indicates its connected but won't send or receive data unless packet data is disconnected and re enabled. After some hours of research and calls to customer service, I've found what could be a potential fix.
By dialing the ussd code ( *#*#4636#*#*) a menu comes up and gives you the options of
phone information
battery information
Usage statistics
And wifi information.
Under the phone information menu, an option for data network preferences appears at the bottom of the screen. By changing third setting, the connection issues should be solved...
however...
I can't seem to get any of the selections to stay. meaning, are I select my preference and exit, when I return to the screen its at its original setting. I believe it may change and stay if I rout which I haven't due to my phone being an AT&T company phone so if any rooted skyrockets would like to volunteer and test out my theory, we would all be greatly appreciated.
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You are basically disabling the LTE radio (network) but it is temporary (for testing purposes). I think using a non-LTE APN will do the same thing and you can change it back when you are ready. Someone that knows more can correct me if I am wrong.
I used that method originally however I ran into the same issues. I was using the CINGULAR.WAP apn.
If anyone knows of another apn that I can test I would appreciate it
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OK so this is what worked for me
For apn name i put AT&T and for apn type I put just : Phone and left everything else blank and even input the mms setting found online for at&t and that's got me hspa data so far
Sent from my SAMSUNG-SGH-I727 using xda premium
yes you have to add the other APNs for this to work. If you only have the PTA APN, it will only lock onto LTE if in a LTE area.
Now if you are rooted and running a ROM where you can change the network within the normal options area, you have to set the APN first then change to H+. It may fail the first time but try it again and eventually it will downshift to H+.
shansmi said:
yes you have to add the other APNs for this to work. If you only have the PTA APN, it will only lock onto LTE if in a LTE area.
Now if you are rooted and running a ROM where you can change the network within the normal options area, you have to set the APN first then change to H+. It may fail the first time but try it again and eventually it will downshift to H+.
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Click to collapse
will this method still connect to lte? Not that it matters to me since I don't live in an lte zone but just out of curiosity
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I kept trying my method and it worked. So far no disconnect or data stall outs to report reaching day 3 now
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i m have unlocked skyrocket, currently in india using a 3g/4g sim card. i went through the *#*#INFO#*#* menu and selected "WCDMA Preferred" then i turned radio OFF and ON back again. since then it is set to "WCDMA Preferred" only and i m unable to change it.. Is it because i have only 3g available in india..?? also will I be able to change to "GSM/WCDMA/LTE AUTO" when i come back to United States???
AT&T Samsung Galaxy SII SGT-I727 data issues fixed ...
I broke my old HTC Inspire. I purchased a Samsung Galaxy SII SGH-I727 off of the eBay as a replacement.
When I moved the SIM card over everything was fine, except I had no data, even though I have a valid data plan. I still had wireless at home, but my data plan did not work when out on the street.
I called AT&T, told them the issue, and that I suspected that it had something to do with "LTE". They made some internal changes, which sounded like they activated LTE service for me. Data plan now working perfectly.
ejgallant said:
I broke my old HTC Inspire. I purchased a Samsung Galaxy SII SGH-I727 off of the eBay as a replacement.
When I moved the SIM card over everything was fine, except I had no data, even though I have a valid data plan. I still had wireless at home, but my data plan did not work when out on the street.
I called AT&T, told them the issue, and that I suspected that it had something to do with "LTE". They made some internal changes, which sounded like they activated LTE service for me. Data plan now working perfectly.
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The inspire didn't have lte did it?
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Home WiFi Issue

My phone keeps dropping wifi and then reconnecting on my home WiFi network... I have heard there has been issues and that the network has to be configured the proper way... Does anyone know the exact settings that it should be configured? Thanks for the help!!!
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I don't know of a specific configuration which solves all issues and Verizon told me that Samsung was planning a "second" update in October timeframe the addressed WiFi connection issues when I called in July about this.
That said, my WiFi connections have been far more solid since then for no apparent reason, so perhaps there was temporary interference at the time - I did adjust my router to use the (2.4GHz b/g/n) frequency up to 130Mbps for the channel (6) used by my Galaxy S III, instead of the (5GHz a/n) frequency that is configured for up to 300Mbps, but am not sure if that made a difference.
- ooofest
ooofest said:
I don't know of a specific configuration which solves all issues and Verizon told me that Samsung was planning a "second" update in October timeframe the addressed WiFi connection issues when I called in July about this.
That said, my WiFi connections have been far more solid since then for no apparent reason, so perhaps there was temporary interference at the time - I did adjust my router to use the (2.4GHz b/g/n) frequency up to 130Mbps for the channel (6) used by my Galaxy S III, instead of the (5GHz a/n) frequency that is configured for up to 300Mbps, but am not sure if that made a difference.
- ooofest
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Thanks! Its weird because my wifi at work connects just fine but at home it goes in and out every 30 seconds to a minute...It must be the router configuration...im gonna try and mess with the settings when i get home
It's a problem with your home router or main modem. Verify that the ip on your router and modem match, if not sync them. That's the most common problem. Also, reset your main modem, have your provider ping and update it. This happens to me time to time, mainly with netgear products.
As mentioned above, use the 2x not the 5x band if you have a dual band router.
Also, some cable Internet connections can get fuzzy if they are using old co-ax wires in your house.
Sent from my VZW GS3 running Synergy/Trinity/Dark Horse Rises
annoyingduck said:
It's a problem with your home router or main modem. Verify that the ip on your router and modem match, if not sync them. That's the most common problem. Also, reset your main modem, have your provider ping and update it. This happens to me time to time, mainly with netgear products.
As mentioned above, use the 2x not the 5x band if you have a dual band router.
Also, some cable Internet connections can get fuzzy if they are using old co-ax wires in your house.
Sent from my VZW GS3 running Synergy/Trinity/Dark Horse Rises
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I'll definitely try this when I get home... My laptop, ipad, and mac book connect perfectly so it must be the settings... I'll update everything and report back... Thanks guys!
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pschatz12 said:
My phone keeps dropping wifi and then reconnecting on my home WiFi network... I have heard there has been issues and that the network has to be configured the proper way... Does anyone know the exact settings that it should be configured? Thanks for the help!!!
Sent from my SCH-I535 using xda app-developers app
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Click to collapse
You know I was having the same issue. After owning the s3 for 5 days now, after the 3rd day I started to experience wifi issues. I would be connected to my wifi but no Internet connection af all. So I messed with the channels on my Netgear dual band router. I switched channels from 1 back to 6. Still nothing. Finally I reset my main modem(att) and also reset my router back to factory settings and still nothing. My wifi has been working fine with no hicups until I got the s3 and my wife has the rezound with no problems what so ever. Until yesterday, what I did notice was my whole Internet connection went down. Now I don't know if it's att or me. Well, it's back up right now but what I did do was call Verizon and they had me take out the sim card and reboot the phone while they did some things on there end. After they came back from hold I rebooted my phone and since then I have had not 1 wifi drop at all. They told me if I have anymore problems, that I go to the nearest Verizon store and get a new sim card. But I really don't know how that would help out at all since the wifi is built into the phone. Those techs are funny. But ever since that rebooted and removing the sim and also having Verizon do some things on there end. It's been perfect and no drops at all.
Ohh and also I did do the *#0011# wifi sleep mode trick to off. Didn't work for me also. But what was weird when I did that trick my phones screen wouldn't go to sleep. It would stay on until I hit the power button to make it go to sleep.
Sent from my Samsung Galaxy S3

6616 on ATT?

Just picked up a Z3 on swappa. Loving the phone so far. Issue Im having is after getting APN setting from my S6 it connects to 4g lte..but, if I turn on and off wifi or make a call it reverts to 4g and will not go back without a reboot. Reboot and I get 4g lte again. From reading it sounds like this model is missing a band for att. But why will it connect then reconnect. Anyone using this on att and have a fix?
Thanks
Also curious to know... Having additional issues surrounding replying to group (mms) messages as well
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