Lose Mobile Data Access - AT&T, Rogers, Bell, Telus Samsung Galaxy S III

Hello, Is anyone else having issues where mobile data will just stop working?
IE its enabled, working, 4g icon(what a joke!) shows up. then time passes, no 4g icon, Mobile still enabled, no internet access.
to get it working again, I have to either
A) reboot the phone
B) turn off mobile data, turn on Airplane mode, then off airplane mode, and before the cell looks for networks, turn mobile data back on. Ive had this problem on and off for a while now, and my mom just got one and she's having the same issues (albeit not as often as mine) I rooted mine, but her's is stock.
any ideas what could be causing this?
TIA

Related

[Q] Turn Wifi off --> mobile data doesn't turn on automatically *EDIT* fixed!

I've noticed this on several recent JB ROMs (but haven't tried on stock yet)
Phone starts up, mobile data works.
Use Wifi for a while, then turn it off. Mobile data does not come back on automatically.
Either have to toggle mobile data or toggle airplane mode to get mobile data back again.
Anyone else having this issue?
*EDIT* Problem solved. The issue was with Wifi Calling.
When wifi calling was enabled, turning off wifi would not let the phone automatically switch to mobile data.
Disabling wifi calling has fixed this problem. Hope this can help others
steveyoo97 said:
I've noticed this on several recent JB ROMs (but haven't tried on stock yet)
Phone starts up, mobile data works.
Use Wifi for a while, then turn it off. Mobile data does not come back on automatically.
Either have to toggle mobile data or toggle airplane mode to get mobile data back again.
Anyone else having this issue?
Click to expand...
Click to collapse
Never had that happen to me on CM10 stable.
-Sent from my GS3 running CM10.-
Never happened here...??
I found the answer to the problem, see OP

Disconnecting from Wifi does not enable Mobile Data

Not quite sure when this happened, but it seems like whenever I disconnect from Wifi now, my mobile data does not automatically enable. I tried downloading a data widget to force it on, but that doesn't work. I either have to restart the phone, or toggle airplane mode to get my 4G back. Anyone else have this issue?
Is there any way to force a hard connect on the mobile data?

Loss of mobile data

One thing I have noticed recently is that when my phone is connected to wifi and then disconnects (because I leave my house, for instance), the phone will switch to mobile data, but the data will not work, ie I don't see any data going up or down. This will be even when it clearly shows 4G on the phone and shows full bars.
Turning the mobile data off and on in the quick settings seems to then restore data connectivity, but it's very irritating to pull out my phone in the car and try to pull up Google Maps to no avail.
Anyone else experienced this problem? Is there a permanent fix for it?
Aganar said:
One thing I have noticed recently is that when my phone is connected to wifi and then disconnects (because I leave my house, for instance), the phone will switch to mobile data, but the data will not work, ie I don't see any data going up or down. This will be even when it clearly shows 4G on the phone and shows full bars.
Turning the mobile data off and on in the quick settings seems to then restore data connectivity, but it's very irritating to pull out my phone in the car and try to pull up Google Maps to no avail.
Anyone else experienced this problem? Is there a permanent fix for it?
Click to expand...
Click to collapse
What rom and firmware version are you using?
Sent from my Nexus 6 using Tapatalk
Stock, no root, latest 5.1

Issues with Mobile Data

I have an Unlocked HTC 10 that I bought directly from HTC. Sometime, when I try to send a text and I'm on Wifi, whether I have a connection to my mobile data or not, the attempt is an automatic failure, even if I try to resend. If I turn off wifi, it won't enable my data connection, even if I turn it off then back on. It forces me to toggle airplane mode on then off If I want to send a text or browse the web. Also, to make things worse, the issue is completely random. I have no idea that it has happened until I try to send a text. TBH, I'm not even sure if wifi is part of the problem, like maybe it is disconnecting from Mobile Data regardless. If it matters, my carrier is T-Mobile.
Keep in mind, I have wifi calling disabled because it was more trouble than it was worth. But for some reason, the phone won't switch to data without my intervention. If I go out of range of the wifi, it will switch, but not all of the time.
Like right now, under my connection settings, Mobile Data says "Disconnected" even though it is turned on. When I just toggled Airplane Mode like I stated above, the connection was established immediately.
Why is the phone not connecting to the Mobile Network automatically? It seems like common sense when it comes to smart phones nowadays and is really annoying when I send a text, only to find out 30 minutes later, it didn't even try.
From other threads it seems to be an issue with the most recent update from HTC. Only fix right now is to flash a ROM that isn't running the latest update.
Sent from my HTC 10 using XDA Free mobile app

[Oreo] No mobile data after WiFi

I'm having an annoying issue since upgrading to Oreo.
When disconnecting from some WiFi networks the mobile data doesn't turn back on. No amount of going in to airplane mode fixes it. A reboot is usually required.
It doesn't occur with all WiFi networks.
Has anyone seen this? Or know a fix?
I'm running Oxygen 5.0.1
No one seen this?
Hey, I lose mobile internet connections quite often.
Haven't noticed a trend, so can't say if it's Wifi related. Neither toggling aeroplane mode or mobile data on and off makes it work again so I just end up resetting the phone.
I'm sorry I can't offer anything useful, but I can at least say you're not alone!
This is happening to me as well oxygen 5.0.3 , total pain I've got tasker to switch on hotspot and mobile data when I enter car but Data doesnt connect and have to reboot phone

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