Galaxy S6 920F unable to make calls T mobile - Galaxy S6 Q&A, Help & Troubleshooting

Hello,
I bought Galaxy S6 G920F 6 months ago, was using t mobile everything was working well.
Few months ago I noticed Im unable to receive/make phone calls. Went to T-mobile and apparently they upgraded their antennas and removed some of the bands they used to support.
The only way i can make calls is if i move to 2G, when im on 4G i cannot make/receive calls in some areas (like my neighborhood).
Did anyone else encounter it in NY and is there something I can do besides buying a new phone?
Thanks!

Related

[Q] Unlocked Bell One S on Rogers - network connection issue - PLEASE HELP

Hi All,
My wife and I both recently got (ex-demo) Bell HTC One S phones. We had them unlocked by cellunlocker.net for use on Rogers network in Ottawa. We followed directions given by Rogers support staff entering the APN settings. My wife's phone seems to work ok, occasionally picking up 3G (never LTE) coverage.
My phone however, seems to only pick up Edge (mostly) and occasionally G network connections. Never 3G or LTE. I cannot send MMS messages and my mobile data is extremely slow (as you would expect on Edge network)!!
I have phoned Rogers multiple times, bought a new SIM which made no difference. I am starting to beat my head against the wall.
Does anyone know why this may be happening or can suggest a fix??
Cheers,
I fixed the issue with a hard reset. Not sure what was actually causing it!!?

Randomly missing calls and texts. Help please

So the title pretty much sums it up. I have a rooted sprint nexus 5 running stock 5.0.1. And I'm a still randomly missing calls and texts. Phone doesn't ring. Missed texts and missed call notifications don't appear until rebooting the phone.
I know this was a problem with 4.4 on the nexus 5 but I thought 5.0 was supposed to fix this. Am I do in something wrong? Help would be much appreciated.
Check your network
I'm having the same problem
I have had a Nexus 5 for the last year. It was a great phone but did miss some calls, but had good reception. I recently broke that phone and purchased a newer one. The reception is awful. I had to buy a microcell booster just to work it in my home where I didn't have to before. If the phone has one bar you can't receive or send calls. If it has two bars it's a crap shoot. Often times when I call there will be two bars and as soon as I press send to call someone the phone drops to no bars. Is this a software or phone or hardware problem?
My issue seems to be receiving texts and calls while on wifi. If so, I will get texts really late, or out of order. With phone calls i just may note receive them at all, nor get a missed call or voicemail notification. I've heard some peopl say that the issue an LTE one and switching to 3G helps the problem but I've found that recently that is not the case. If I am on wifi my sprint nexus 5 just cant seem to get it right...
For Sprint, there could be issues with the signaling for voice/sms when on LTE since the N5 is a single radio for everything. Another thing it could be is the modem version. Also if you got a replacement it's possible the connections are just loose inside or one of them is disconnected for the antenna.
I'm on sprint too and I get the notorious double texts has to be something on sprints end
Sent from my Nexus 5 using XDA Free mobile app
Sorry to necropost, but i'm reviving this to see if anyone else is still having the same problem??? Has this been fixed on Android 5.1 or 5.1.1 ? There has to be a better solution than having to be on 3G and keeping wifi on only when phone is awake. Help or advanced knowledge of the problem would be appreciated.
Its Sprint, it sucks
Sent from my Nexus 5 using Tapatalk

Galaxy S7 LTE problem's

Hello from Bulgaria.Some one have had a problem with 4g network.Samsung S7 when he was lte \ 3g \ 2g after 30-40 minutes , scope disappears and receives a missed call notification.The problem gone after restart the device and after 30-40 minutes is same situation.If a phone is an 3g\2g no problems.
Sorry for my bad english.
Same here
My cousin bought an S7 Edge, but it had the same problems as listed. She then proceeded to change the phone, yet the other S7 Edge had the same problem. What could be the solution to this problem, and what caused it?
I change 3 phone 2 black and now give to me gold,for now i don't have a problem with the gold piece. Everything work fine.
Gachev said:
I change 3 phone 2 black and now give to me gold,for now i don't have a problem with the gold piece. Everything work fine.
Click to expand...
Click to collapse
We changed two gold ones, awaiting for the third. Problem seems to be persistent.
Hi!
Go to settings and find your APN-settings. Remove IPv6 and save it. Then everything should work fine.
I'm having the same problem. I'm sitting beside my friend with his ip6s+ and he's not having trouble connecting with the lte. just saying that this might not be just a network problem.
I've read about multiple people, including me having this issue, for some the APN IPv4 switch seems to work, but not for everyone. So what is this? Is it related to the phone hardware or software? Or is it a network problem? And will it be fixed? As this is starting to irritate me a bit..
Many People in my country (indonesia) is having similar problem. The signal somehow stuck in 3g. Forcing it to use LTE only using the app "4G LTE Switch) makes the signal gone, emergency only mode. Only a reboot would bring 4g back.
However it only acts up when using one specific mobile provider (telkomsel). Switching to my second sim, also by the same provider, didnt help. But if I switched to another provider, the problem doesnt happen.
Widespread issue in Germany as well. It's carrier independent. Had to exchange one unit. The new S7 Edge I got works fine so far, but has a pink hue on the display. Samsung QA! -.-
Any solutions or updates?
Solved?!
Hi,
I had the same problem in bulgaria with telenor.
Yesterday i got an update on my s7 edge to XXU1APCH and it seems to solve it.
This night it stayed connected. Normally i had the no service available in the morning.
Anybody else see the same?
heinda said:
Hi,
I had the same problem in bulgaria with telenor.
Yesterday i got an update on my s7 edge to XXU1APCH and it seems to solve it.
This night it stayed connected. Normally i had the no service available in the morning.
Anybody else see the same?
Click to expand...
Click to collapse
Havent got any updates here in my country.
Would u be so kind to upload the firmware using this method
here
and
here
heinda said:
Hi,
I had the same problem in bulgaria with telenor.
Yesterday i got an update on my s7 edge to XXU1APCH and it seems to solve it.
This night it stayed connected. Normally i had the no service available in the morning.
Anybody else see the same?
Click to expand...
Click to collapse
Downloaded bulgarian firmware,, XXU1APC8 is the only one available. Tried to check for update, nothing yet to xxu1apch...
Update:
Emailed Indonesian Samsung Support, they came up with a temporary solution:
go to phone, dial *#9900#
select debug level disable/low
change to mid
wait for phone to reboot.
2 hours past no signal lost yet
update: 3rd hour signal gone again
hi,
has anyone found a solution for the problem above?
in my case I have really slow internet (mobile data) on 2,3 or 4G, it's like it freezes when I try to open a page
when I connect to 4G it maybe works for a second and then nothing else, it's like 2G, very slow (wifi works normal)
can it be hardware problem? I already cleared cache and reset the phone, but it's still the same..
At me the phone can not change back to 2G from LTE, if 3G network is unavailable.
If I use LTE/3G/2G option and somewhere is not 3G network I can't receive or make voice calls.
Phone only works with 3G/2G option in network mode.
But in this case I only can use edge if somewhere only 2G and 4G networks are available.
If I use LTE network, the phone doesn't receive incoming calls.
I bought my samsung s7 gold one month ago in Lebanon (Middle East). I faced exactly the same problem, I couldn't receive any phone calls. Went to the store and they told me to switch from LTE/4G to 3G. Now my phone is always on 3G and working ok so far. But I can't put it on 4G !!!
get new simcard will fixed problem
Hi, is there a solution to this?
got info that there is a patching from samsung for this issue but since i am using custom rom, i cannot confirm this.
anyone has any update?
Same problem! I'm from Mexico and i just bought my pink s7 Edge on sunday, i've been going everyday to the carrier store and yesterday they finally gave me another one but im having the same issue! I can't take it anymore i don't know what should I do Maybe all the pink ones have the same problem? They have already changed my SIM Card, i have tried with another one and it still happens
This sounds very similar to the LTE problem on the Nexus 6P I wonder if it is actually the same problem.

Note EDGE data connection not working

Hi,
I have a note edge n915G. It was passed down to me. Previous owner never uses data connection.
When i took over, i realize if i switch on data, my signal seems to drop a lot from H+, H to edge and then emergency call and no signal. It connects and disconnects constantly.
Also, it NEVER connects to 4g eventhough i have the right settings and my 4G is working on my other phone.
Flashed CM, stock rom from different n915g country and etc and it doesnt seem to solve the problem.
Could it be a hardware problem? Now i live in malaysia and this phone was bought in Singapore so it'll take quite an effort just to send it in for warranty. Thanks in advance.
edit: even without data, my signal drops on and off. What could be the problem?
Find updated modem and flash in odin
Sent from my SM-N930T using Tapatalk
use the scirpt from the n910t it will fix ur issues cuz ive done it all ready

S4 lte goes off just to receive calls (had same problem on S3)

Have a very weird problem, and think it is because of any app...
I use a galaxy tab s4 lte as a phone, it is a fully functional phone oversized... it is great, and im using tablest as phone 3 or 4 years ago... first was galaxy tab s2 lte, then s3, and now s4
S2 worked great... S3 worked great but from march of this year, randomly phone disconects fron network just to receive calls.... sms, 4g and wifi always work, but canr receive calls till i make a call... it is like it disconnects from network... i notice that, because i have (from the times of s2) my phone forwarding calls to my wife's phone when my phone is turned off or im in a plane for example...
But with tab se, from march, i was in home with my wife and someone that call me ringed directly to my wife phone... a lot of times saw that... but when i place a call... it start receiving calls again...
Went to tmobile, changed the sim and same problem...
Bought a new S4 lte ($1000) and from the day 1 same problem...
Any help? Im pretty sure it could be any app... but dont know where to start
wallyhenderson said:
Have a very weird problem, and think it is because of any app...
I use a galaxy tab s4 lte as a phone, it is a fully functional phone oversized... it is great, and im using tablest as phone 3 or 4 years ago... first was galaxy tab s2 lte, then s3, and now s4
S2 worked great... S3 worked great but from march of this year, randomly phone disconects fron network just to receive calls.... sms, 4g and wifi always work, but canr receive calls till i make a call... it is like it disconnects from network... i notice that, because i have (from the times of s2) my phone forwarding calls to my wife's phone when my phone is turned off or im in a plane for example...
But with tab se, from march, i was in home with my wife and someone that call me ringed directly to my wife phone... a lot of times saw that... but when i place a call... it start receiving calls again...
Went to tmobile, changed the sim and same problem...
Bought a new S4 lte ($1000) and from the day 1 same problem...
Any help? Im pretty sure it could be any app... but dont know where to start
Click to expand...
Click to collapse
Did you by chance put it on LTE-only mode? Where it does not receive calls there is some network configuration problem or lack of Volte when it automatically switches to 4g.
pbteja said:
Did you by chance put it on LTE-only mode? Where it does not receive calls there is some network configuration problem or lack of Volte when it automatically switches to 4g.
Click to expand...
Click to collapse
Domt have lte ( or 4g) only...

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