Hello,
I have had this issue off and on over time. I have the Unlock Verizon S7 edge on the Verizon network.
Sometimes when I use the phone I can do all functions normally while on a call.
Sometimes I'll do the same and the data is completely gone I will get no 3g or LTE on the phone while on a call. Once I hang up all the data will come back and this will continue with any on going calls until I restart the phone.
Only suspicion I have is it has to something with Pokemon Go after I use it. But can't confirm.
Anyone else having the same issue ?
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Hi.
I have m919 T-Mobile Galaxy s4 but I'm with other carrier (Wind Canada).
I spent yesterday in environment where I didn't had coverage for most of the day, but i haven't gotten it back yet. Sounds really weird as it might be not connected to the fact at all. I have 4G connection active, which means that I have internet, but it keeps 'searching' for service and I can't Call/Text anyone, neither I can receive calls or texts. Instead of the bar at the top showing how good coverage i have it just shows a crossed out circle icon.
I've tried reboots, keeping my phone off for 30mins without battery, taking out sim and putting it back in, changing network modes and resetting APN (all from settings panel).
Have anyone experienced something like that and how do I fix it? It was working perfectly for last couple of months and the phone didn't get any damage yesterday neither.
Well. "I have m919 T-Mobile Galaxy s4 but I'm with other carrier (Wind Canada)". Im not the smartest person in the world but if u phone is locked to T-Mobile, it doesnt gonna work with other carrier if no is unlocked by IMEI for example.
I have bought my partner a Samsung Galaxy S5, The problem is something I cant get my head around. I've unbricked phones in the past, and fixed many devices etc. most of my devices get rooted on the day I buy them. the issue is that sometimes she cant receive/make calls sometimes and 4G data works ok but when the phone switches to 3G or H+ connection data fails along with the ability to call.
the phone used to be locked to o2 but was opened up to all networks. I need help please.
I bought a used unlocked AT&T S7 Edge, and I'm having trouble with data connectivity. The status bar shows signal and the 4G LTE symbol, however I'm not receiving any data. Calls and texts work fine.
I went through the troubleshooting checklist from T-Mobile with no luck until I factory reset my phone. Once I did that I was able to use my data for two days before it went out again. I also tried taking out my SIM and putting it back in.
Anyone know if there is any sort of fix for this problem?
Jaybeann said:
I bought a used unlocked AT&T S7 Edge, and I'm having trouble with data connectivity. The status bar shows signal and the 4G LTE symbol, however I'm not receiving any data. Calls and texts work fine.
I went through the troubleshooting checklist from T-Mobile with no luck until I factory reset my phone. Once I did that I was able to use my data for two days before it went out again. I also tried taking out my SIM and putting it back in.
Anyone know if there is any sort of fix for this problem?
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Have you tried changing the APN settings? Try searching for "T-Mobile APN settings Galaxy S7" since I can not send the link.
I own a SM-G935V that I'm using with Tracfone. It's running 7.0/Nougat, patch level 4/1/2017. On another forum, here's what I wrote:
I've run multiple tests on this and it turns out that if I reboot my phone, I do not get reconnected to cell service unless I make an outgoing telephone call.
The reason why I didn't notice this is because I use Google Voice for about 99% of my SMS communication. So here's the test I ran:
1. Reboot phone, wait until it comes back online and I have bars and 4G on my status bar
2. Call my phone from another phone -- goes straight to voicemail
3. Send SMS via phone's SMS -- goes to pending and is never sent
4. Make an outgoing phone call not using Google Voice but my cell network resolves the issue
I've changed the network from Global to LTE/CDMA, but it makes no difference. I've also turned off the wifi and tried to see if I would be denied for data access, but that is not so -- I can visit websites without any issue. But doing that DOES NOT reconnect me to my cell network. So it seems that since I'm using 4G/LTE for data, that authentication is separate from the cell authentication.
I got a response from another user that's experienced the same issue. He said he had no problems with Verizon prepaid SIM but the same exact thing with a Tracfone Verizon-piggybacked SIM. His solution was to push an unbranded firmware on it.
I'd rather not go this route if I can help it since the phone works well and this is the only issue I've encountered. Any suggestions?
I used prepaid T-Mobile from the first day that I had this phone and never had an issue with VoLTE. I decided to switch to AT&T prepaid for a month to try it out, and it wasn't very good in my area, so I decided to switch back. AT&T prepaid doesn't have the specific feature where LTE data service remains while on a voice call (I'm drawing a blank on what this is called at the moment), so I wasn't surprised when on AT&T's network that the phone would drop back to 2G for data service while on a voice call. However, after switching back to T-Mobile, the phone is still falling back to 2G while on voice calls. My girlfriend also has an S8 on T-Mobile and so I can verify that we can be on Band 12 and she can place a call and remain with LTE data while I fall back to 2G.
As for troubleshooting that I have done so far... The software did update when I put my T-Mobile SIMcard in and I verified the APN settings and that VoLTE is enabled. I also did a factory reset with the SIM card in the phone and it still did not work. At this point, I'm just looking for suggestions on what I could try next. I don't understand how a factory reset could have not fixed this. Any input from those knowledgeable about how the software updates for specific carriers modify the phone would be helpful. Thanks for the help.
Bump... Anyone have any ideas of what's I could try next?