My mobile data was working fine. One day ago I did Lollipop 5.1 update and since then I am seeing exclamation mark next my signal and mobile data stopped working. There are lot of threads on same issue but no solution
June 7th, 2015
UPDATE: The solution to the problem is to turn on DATA ROAMING option. It is strange but mobile data only works if data roaming is turned on too, irrespective of whether you are in roaming or not. I am using Vodafane (INDIA)
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I haven't seen any reports of bluetooth or wifi tethering not working while in a phone call but that is what is happening to my nexus 4. I'm using Purity rom with a hybrid radio and have LTE enabled. Whenever I make a phone call, the data connection type letter on the signal bars in the notification drop down disappears. It's like the data connection completely stops.
If I am not tethering and make a phone call, the data connection type letter stays active and I can use the connection with various apps. It only seems to cut out when I am tethering with either bluetooth or wifi. Is this a normal problem? I was thinking I might have to apply the tmobile tethering fix:
http://forum.xda-developers.com/nex...s-4-lte-lte-tethering-hotspot-t2416822/page41
to fix it but wasn't sure it was still really necessary in 4.4.4 or that this problem was even related. I thought that fix was for if you kept being redirected to the upgrade page of tmobile. My plan is truly unlimited 4g (not the 2gb of high speed data then throttling down to 2g speeds) and tethering is included. I'm not being redirected anywhere. The data connection just stops. I was thinking this was a problem with 4.4.4 since it has never happened to me on other versions.
I'm pretty sure that the way Mobile data works makes it impossible to both call and receive data at the same time.
Mine does the same thing on my sprint galaxy note 4. I am rooted using the native tether (unpaid). As soon as I receive a call, tether looses connection and stops.
I'm coming from a sprint galaxy note 2 with the same setup. I've never had this problem in the past. I was able to tether and use other apps during calls. The only difference, from what I can tell, is that my note 2 said "4g",and my note 4 says "LTE". Help please....
Sent from my SM-N910P using XDA Premium 4 mobile app
Hey!
I have found a really weird issue since (officially) updating to lollipop (N910C, BOC3). Initially, mobile data worked fine, but after a day or two I noticed, that after going off of wifi, I only got edge connection. I rechecked the settings, restarted the phone but the phone just doesn't go past edge (to 3g or hsdpa; no lte yet for me).
So I then chose to hard reset my phone, wipe cache and reinstall everything. At first, everything went fine and I had H+ connection, no problem. I tried to enable/disable wifi and mobile data a couple of times, but all seemed fine. Today (after 1 day), I noticed again that mobile data is stuck on EDGE.
As far as I remember, everything worked fine on 4.4.4. I even rechecked my sim and settings on my old XperiaZ, where H+ works normally.
Any ideas?
Best regards and ty.
Update: After messing around, I found that by setting the network to wcdma only, allowed the phone to connect to 3g. This means that when left on automatic network mode, the phone choses 2g network and won't switch to 3g even if it is available... Do you guys know a setting where you can tell it to preferentially chose 3g, while on the auto network mode? P.S. I don't have any battery saving options turned on...
Bump... No one knows how to set preferred connection type?
Are you in a room when you are testing? Have you tried to go outside, and while you are connected to edge or H/H+ , open up your internet browser and go to a website and watch your connection if it changes to LTE or 4G...
There is an app that can do what you are asking but you have to root your device in order for it to work... I can't remeber what it's called and I know someone will chime in...
Zigurat said:
Hey!
I have found a really weird issue since (officially) updating to lollipop (N910C, BOC3). Initially, mobile data worked fine, but after a day or two I noticed, that after going off of wifi, I only got edge connection. I rechecked the settings, restarted the phone but the phone just doesn't go past edge (to 3g or hsdpa; no lte yet for me).
So I then chose to hard reset my phone, wipe cache and reinstall everything. At first, everything went fine and I had H+ connection, no problem. I tried to enable/disable wifi and mobile data a couple of times, but all seemed fine. Today (after 1 day), I noticed again that mobile data is stuck on EDGE.
As far as I remember, everything worked fine on 4.4.4. I even rechecked my sim and settings on my old XperiaZ, where H+ works normally.
Any ideas?
Best regards and ty.
Update: After messing around, I found that by setting the network to wcdma only, allowed the phone to connect to 3g. This means that when left on automatic network mode, the phone choses 2g network and won't switch to 3g even if it is available... Do you guys know a setting where you can tell it to preferentially chose 3g, while on the auto network mode? P.S. I don't have any battery saving options turned on...
Click to expand...
Click to collapse
hi ,
one option is if you are rooted is ,( see/read thread )
[APP][5.0+][ROOT] Toggle Network Type 5.0 (2G, 3G, LTE) by dev @cygery
http://forum.xda-developers.com/android/apps-games/widget-toggle-network-type-5-0-xda-t2945406
i have N910F ,rooted on Lollipop BOC3 app works 100% smooth ,no problems ( very impress with app )
good luck
willcor said:
hi ,
one option is if you are rooted is ,( see/read thread )
[APP][5.0+][ROOT] Toggle Network Type 5.0 (2G, 3G, LTE) by dev @cygery
http://forum.xda-developers.com/android/apps-games/widget-toggle-network-type-5-0-xda-t2945406
i have N910F ,rooted on Lollipop BOC3 app works 100% smooth ,no problems ( very impress with app )
good luck
Click to expand...
Click to collapse
Thanks for your suggestion. I am not rooted yet and will try to keep it that way for a little while yet... will see how long i'll last xD
Manual mode will have to suffice for now, seeing as rooting is the only option. Might be a carrier setting related problem =/
Ty
Hi all
The past 2 days I seem to be having an issue with intermittent 4G coverage...
It will connect to 4G but have a small X next to it in the top menu. I receive no internet however.
What does the X mean as I can't find the answer anywhere, and is it an issue with my phone or my service provider?
I am on EE UK and running 7.1.1 Beta NPF10C
I have restarted, turned on and off airplane mode, reset my APN to no avail.
Anything else you need to need to know I will provide
Thanks in advance
I have had the same problems occasionally & I think it's an EE fault. It basically means you have a 4G connection but no internet access. Toggling mobile data off, waiting a minute or two, and re-enabling seems to get a new connection.
hi everybody,
My Xiaomi MI A1 32GB lost data connection several times a day. I have only a visual notification - X symbol within signal strength bar(not above like should be in this case). This symbol in general is regarding roaming connectivity, but i am at my home network. When i enter in Settings and deactivate/activate the SIM, the data starts again. All the time i dial and answer the calls, it is only related to data connection in my home network.
Any idea how to fix it in other way, may be to install network signal booster app?
This is an Android 8.0 bug, not a phone one, right?
Regards,
I've had the same issue when using two SIMs. To fix the issue temporarily, I switched to flight mode for a few seconds, then it worked for a while.
Now I've switched of the second SIM card and since then the issue never happened again. So if you don't need two SIMs, I'd suggest to turn one SIM off temporarily till the problem is fixed. Maybe it is already fixed in the February update.
Hi to all,
I have the MI 9T for almost 3 weeks.
On all of my phones I set up my data plan so it will stop mobile data if I reach my monthly limit.
I would like to point out two things
1) Not even once, I've reached my limit until with this phone...
2) This is my first MIUI rom, I always used lineage OS or AOSP based roms.
Yesterday I've got a notification about my reaching my mobile data plan and my phone stopped having internet through mobile data.
I sent an sms to my carrier and I got informed that I have 260mb more...
So I thought, It must be a wrong calculation from my phone so I turn off my data plan restriction, only to find out that I still cannot connect to the internet when I'm not on a wifi connection.
My phone says 4G/LTE but no internet.
Things I've done with no results.
1) Restart my phone
2) Turn on/off Airplane mode
3) Settings > SIM cards & mobile networks > Data is on & Dual 4g is on & Set data plan to off
4) reset APN settings
5)increasing data plan's limit
The only thing that worked is to change the current month from October to November.
Is ther any other option on MIUI that I'm missing out? or is this a common bug?
MIUI Global 10.3.15
It is very important to me because I need to check my mails on the go.
Thank you all for your time.
Same thing here on a Redmi Note 8 running MIUI Global 11.0.9!
- Data plan was set to 5GB, limit reached -> mobile data got disabled.
- Purchased 1GB extra
- Enabled mobile data, turned on/off airplane mode, turned off all MIUI Data Plan setting, turned it back on with higher limits etc, reset APN, tried 3G instead of 4G... actually the same things you already tried. Nothing worked, while the 4G icon is displayed like it should work. It's really an issue in the data plan code of MIUI.
- Googled the issue.. found this thread, now I finally have mobile data connection after changing the date settings 1 month ahead, turn off mobile data, turn on mobile data, reset date to use network time. Thank you @megam4n!
This is a weird and frustrating bug. The phone probably loses mobile data connection again after midnight or after phone reboot.