Develop Bugs

Orange Desire dropping calls and diverting calls to VM

It seems to have got worse over the last few days. At times I need to make more than one attempt to dial out, the calls drops unexpectidely, and people who ring me sometimes get redirected to Voicemail even though my phone is on with good signal. Have phoned orange multiple times about it, and after diagnosing with them, still at a loss. Anyone else expereincing similar?

stats101 said:
It seems to have got worse over the last few days. At times I need to make more than one attempt to dial out, the calls drops unexpectidely, and people who ring me sometimes get redirected to Voicemail even though my phone is on with good signal. Have phoned orange multiple times about it, and after diagnosing with them, still at a loss. Anyone else expereincing similar?
Click to expand...
Click to collapse
P.s. the phone is not rooted, however very recently I used ADB to install all apps to SD.

oh, the phone has also rebooted a few random times on it's own aswell over the last few days. I think it's all linked.

Have inserted the sim card into another phone. On my desire, while testing, out of 8 incoming calls, 2 went to Voicemail. On my other phone, out of 20 incoming calls, 0 went to voicemail. Seems that it's a fault with the phone and not Orange reception. Going to phone HTC.

Suggested I do a hard reset. I might aswell root my phone and install stock if that is the case.
Any suggestions before I waste a day?

All my previous devices, were on orange, the service was awful, texts coming hours and somtimes days late, calls going str8 to vm, slow data ect, when i got my desire i changed to tmob, and ive never looked back
Sent from my HTC Desire using Tapatalk

Hi
I used to have an X10, that frequently put peoples calls direct to VM in full reception (even with a mate standing next to me calling it went to VM). Now i have the desire and still the same issues, I get random texts telling me I have missed calls when the phone never rang. So I'm not sure if its Orange or Android. I was previously on o2 and didn't have these issue

Update the radio part ?
Sent from my HTC Desire using XDA App

AndroHero said:
All my previous devices, were on orange, the service was awful, texts coming hours and somtimes days late, calls going str8 to vm, slow data ect, when i got my desire i changed to tmob, and ive never looked back
Sent from my HTC Desire using Tapatalk
Click to expand...
Click to collapse
Hate to tell you but orange now own t mobile lol and you can sign up and Rome on each network
Sent from my HTC Desire using XDA App

tidy said:
Hate to tell you but orange now own t mobile lol and you can sign up and Rome on each network
Sent from my HTC Desire using XDA App
Click to expand...
Click to collapse
I know that, but in my area, i only just got gprs with orange, but with t-mobile i get an excellent hsdpa signal, and there cheaper, £5 for a months unlimited internet
Sent from my HTC Desire using Tapatalk

If you are on GPRS (i.e. no 3G coverage at your location), and you are actively using the GPRS connection (including for background data), then it will block incoming calls as if the phone were in a call already. This is a limitation of GPRS*, and it is the same on all UK networks and all phones.
This doesn't happen with 3G/HSDPA, or if you are using Wi-Fi for your data.
I don't know if this is the OP's problem, because it shouldn't cause dropped calls once established (or affect outgoing calls, I think) but it is the effect behind what some of you are describing.
*technically, it doesn't happen with certain GPRS devices (class A?), but there are very few such phones, and there are certain network measures to avoid it, but no network uses them.

so if somebody could write an app that suspends data connection if on 2g and allows data for 3g only, then problem solved?? Obviously only for people who are not really bothered by loss of data sometimes.

arewenotmen said:
If you are on GPRS (i.e. no 3G coverage at your location), and you are actively using the GPRS connection (including for background data), then it will block incoming calls as if the phone were in a call already. This is a limitation of GPRS*, and it is the same on all UK networks and all phones.
This doesn't happen with 3G/HSDPA, or if you are using Wi-Fi for your data.
I don't know if this is the OP's problem, because it shouldn't cause dropped calls once established (or affect outgoing calls, I think) but it is the effect behind what some of you are describing.
*technically, it doesn't happen with certain GPRS devices (class A?), but there are very few such phones, and there are certain network measures to avoid it, but no network uses them.
Click to expand...
Click to collapse
I'm always on GPRS party because there's no 3G/HSDPA at home nor at where I work. So I've hard-set the phone to be GSM only and I've never missed a called so far. Even had calls come in mid facebook usage....
Edit; Tried it again now,
Box standard non-branded desire, Orange Pay As You Go.
a G icon to the left of my reception bars.
I was updating the weather widget both Up and Down arrows where lit up.
Rang from my office phone to my desire..No problems at all.......

my data connection is usually switched off (saves battery), so that isn't the cause,

noternet said:
I'm always on GPRS party because there's no 3G/HSDPA at home nor at where I work. So I've hard-set the phone to be GSM only and I've never missed a called so far. Even had calls come in mid facebook usage....
Edit; Tried it again now,
Box standard non-branded desire, Orange Pay As You Go.
a G icon to the left of my reception bars.
I was updating the weather widget both Up and Down arrows where lit up.
Rang from my office phone to my desire..No problems at all.......
Click to expand...
Click to collapse
Odd. Maybe Orange changed something - I've never tried with them. The network feature is called DTM, but I didn't think anyone had turned it on. I frequently miss calls on O2 because of this.
The Desire also appears to frequently lie and reports the wrong symbol much of the time - so at work with only GPRS (in the middle of nowhere and we have our own cell on our site), mine often says H for HSDPA, and yet the same problem occurs. I suppose it's possible that you're actually on EDGE.
There's a thread about it here: ht tp://androidforums.com/htc-desire/68995-not-receiving-calls-when-browsing-gprs.html

used to have this problem with my x10 on orange until i flashed a new rom and updated the baseband, hasn't dropped a call since....... the wife recently upgraded her phone to desire hd and she is now having the dropping calls/forwarding to vm problem. i reckon its got to be something wrong with the radio orange are using, get it flashed and see if it helps? that is my plan with the missus phone!

I had this happen with my phone on o2 on 3g I notice my signal bar wasn't high though an drops easily. One day i got loads of delayed msgs an calls going straight to vm. I switched my setting to use 2g only an now no problems.

Mok_ojin said:
I had this happen with my phone on o2 on 3g I notice my signal bar wasn't high though an drops easily. One day i got loads of delayed msgs an calls going straight to vm. I switched my setting to use 2g only an now no problems.
Click to expand...
Click to collapse
That's the same work around i have been using. 2G also seems better for battery life, so now I prefer it over 3G.

OP - my partner has been experience EXACTLY the same issues as you with her AMOLED Desire.
To the point where we are possibly going to root it soon, in the hope that a new ROM/radio will resolve the issues. Not sure how viable this is though...

Voicecalls not coming through whenever data is on

Guys
Noticed something funny with my Galaxy Nexus. Calls don't seem to be coming through whenever it is transmitting or receiving data on the 3G. I can still make calls no problem.
My previous phone (the N97) would disengage packet connection (a warning comes up) before the call comes through.
I'm still analysis the data but I am hoping that one of you has experience this before and can offer some insight.
I've done the following test:
1. Wifi and 3G on. Some calls come through, some goes to voicemail.
2. Wifi and 3G on - streaming a video from my NAS box - Some calls come through, some goes to voicemail.
3.Disengaged Wifi and 3G on - Some calls come through, some goes to voicemail.
4.Disengaged Wifi and 3G off (2G only) - Calls comes through fine (when I send text I get the volume bug).
5.Disengaged Wifi and Data on but only on 2G - Calls comes through fine.
In all above instances when the 3G/data is on, I make sure I am transmitting (I synch my hotmail account).
So is this normal (this is my first android phone)? Am I the only one or are there others?
Any feedback would be appreciated.
Thanks
***** Sorry for the question mark icon, I put [Q] down but didn't know by selecting the question mark, it overrides it************

Which network?

It's certainly not normal behaviour in Gingerbread and earlier at least (still waiting for my GN to be delivered). Even on 3G calls should be able to come through and then if needed decide to switch down to 2G if it decides it's needed.
Have you confirmed that you can actually make and receive call on 3G currently? Might be something wrong with your plan or your SIM.

Balthazar B said:
Which network?
Click to expand...
Click to collapse
O2
blunden said:
It's certainly not normal behaviour in Gingerbread and earlier at least (still waiting for my GN to be delivered). Even on 3G calls should be able to come through and then if needed decide to switch down to 2G if it decides it's needed.
Have you confirmed that you can actually make and receive call on 3G currently? Might be something wrong with your plan or your SIM.
Click to expand...
Click to collapse
I'm still testing but it does appear that whenever it's transmitting on 3G (3G or H in the icon) incoming calls go to voicemail.
I just did another test, in the previous tests I was just calling my voicemail service (901) but I decided to call my house phone and here's the strangest thing.
- With the wifi on and 3G I couldn't make any phone calls (apart from the voicemail), the calls just end. I turned off the wifi, tried making a call it works. Then turned on the wifi on again and I can make calls again. How bizarre.
I'm hoping it's a network issue but I won't know until say about a weeks time (if its a network issue it should have been fix within that period). But my first adventure with Android isn't going very well.

Rang O2 and it sounds like an issue with the network . According to them 3G was affect all over the country recently and still have issues in the London area.
I also put my sim back into my N97 and after numerous attempts was able to replicate the fault So happy.
But the customer support suggested that I should still go and get a replacement sim from the shops tomorrow since mine is quite old. From 2009 but still 3G enabled.
So fingers crossed that its def a network issue and not a fluke that it affected my N97.

How will a new SIM be able to work better? I thought, as long as it has 3G, it's all good?
My SIM is from 2008, I guess, so quite "old", as well...

Atreus said:
How will a new SIM be able to work better? I thought, as long as it has 3G, it's all good?
My SIM is from 2008, I guess, so quite "old", as well...
Click to expand...
Click to collapse
Does SIM age really matter? I've been using the same SIM card since 2005.

I don't know if the age of the SIM matters, but what I do know is after I replaced my old SIM (AT&T) my data got faster (a few phones ago).
It never hurts to use a new SIM. The manufacturers change every few years (gemalto, etc) and I'd bet that newer is better...

Sprint G2 LTE/3G/data in general problem

About a week ago I was using my G2 and everything was working perfectly. I then went into updates and did a PRL and Profile update and BOOM my LTE stopped working and I was forced to 3G. Now for the past 4 days or so my 3G barely works and most of the time I get no data at all. I'm even starting to get zero bars and a red x. I've tried nearly everything I can think of to remedy this issue but nothing I've done has fixed it.
I've gone into the hidden menu and enabled LTE only and the LTE comes on and works great! But...You can't just be on LTE only because then CDMA doesn't work and you can't receive calls or texts. I've also turn the phone from voice centric to data centric but then I couldnt receive calls, I could only MAKE calls.
I've done all the obvious stuff like turn my phone from global to cdma/lte and vice versa. When I reset my phone LTE will come on for 2 seconds tops then stop and push me to 3G...then after a while 3G will stop working.
I'm completely stock, not rooted.
I've talked to a guy at sprint and he's told me that they know the G2 has issues with CDMA/LTE switching
Any help would be greatly appreciated.

I have read some people say take it in and out of airplane mode to get lte back but i would think a reboot would correct the problem as well. Maybe you have a sprint tower down in your area.
Sent from the Moon using Tapatalk with my G2

I thought this was only happening to me. LoL ... Eventually I got so frustrated that I moved to TMobile.v Even when I got good connection it was still horrible if that make sense. My wife doesn't have that problem but I'm moving her to TMobile to.
Did you try to do the permanently unlock at one point? That's when it started happening to me.

RHudyCT said:
About a week ago I was using my G2 and everything was working perfectly. I then went into updates and did a PRL and Profile update and BOOM my LTE stopped working and I was forced to 3G. Now for the past 4 days or so my 3G barely works and most of the time I get no data at all. I'm even starting to get zero bars and a red x. I've tried nearly everything I can think of to remedy this issue but nothing I've done has fixed it.
I've gone into the hidden menu and enabled LTE only and the LTE comes on and works great! But...You can't just be on LTE only because then CDMA doesn't work and you can't receive calls or texts. I've also turn the phone from voice centric to data centric but then I couldnt receive calls, I could only MAKE calls.
I've done all the obvious stuff like turn my phone from global to cdma/lte and vice versa. When I reset my phone LTE will come on for 2 seconds tops then stop and push me to 3G...then after a while 3G will stop working.
I'm completely stock, not rooted.
I've talked to a guy at sprint and he's told me that they know the G2 has issues with CDMA/LTE switching
Any help would be greatly appreciated.
Click to expand...
Click to collapse
I now suffer from this... And I am rooted. I have yet to figure it out... I was going to go back to stock but sadly you have crushed my hopes (since you were stock). If anyone else suffers this and knows a fix please chime in. I've exhausted my knowledge over the last few days...

There's a dialer code you can enter to reset data and force a reactivation. It fixed some weird data issues I was having. I'll see if I can dig it up.
---------- Post added at 10:38 AM ---------- Previous post was at 09:52 AM ----------
For a site that advocates search so much, XDA's search function is absolutely horrendous. It searches wildcards before literals(good luck searching anything with a symbol) and numbers that I copied and pasted from the thread somehow show no results. But I digress...
http://forum.xda-developers.com/showthread.php?t=2523252
It's either ##UPDATE# or ##CLEAR# I can't remember which.
All I remember is that the phone showed a bunch of dialog boxes, then the phone rebooted and reactivated data. I'd assume it was ##CLEAR#, but again, not sure.

http://forum.xda-developers.com/showthread.php?p=51364046
KitKat and Data roaming: lost data connectivity notification
sent from my lg-ls980 there are many like it but this one is mine

Try ##SCRTN# This reactivates the phone and has solved data issues for me in the past.
Sent from my LG-LS980 using Tapatalk

VECTUS said:
I now suffer from this... And I am rooted. I have yet to figure it out... I was going to go back to stock but sadly you have crushed my hopes (since you were stock). If anyone else suffers this and knows a fix please chime in. I've exhausted my knowledge over the last few days...
Click to expand...
Click to collapse
Actually it's a Spark issue. The only remedy is to wait for Sprint to put out an update or disable spark. You can disable it by dialing ##data#, go into LTE - edit (you'll need your MSL. There's a dialer code to get it just look here on the forums) then disable bands 26 and 41 and set their priority to 0. Afterwards your LTE will be back to normal.
Edit - ##443336772# Shows MSL code near the bottom of the screen

It almost seems to be an LTE handoff issue - they had similar issues with other devices during the buildout here in Chicago (my poor N2 was nearly 3G for almost 6 months due to the issue. I occasionally have issues but ##SCRTN# has resolved them.

RHudyCT said:
Actually it's a Spark issue. The only remedy is to wait for Sprint to put out an update or disable spark. You can disable it by dialing ##data#, go into LTE - edit (you'll need your MSL. There's a dialer code to get it just look here on the forums) then disable bands 26 and 41 and set their priority to 0. Afterwards your LTE will be back to normal.
Edit - ##443336772# Shows MSL code near the bottom of the screen
Click to expand...
Click to collapse
I can confirm this works! Thank you! That's like the ONLY combination I hadn't tried! :good:
garwynn said:
It almost seems to be an LTE handoff issue - they had similar issues with other devices during the buildout here in Chicago (my poor N2 was nearly 3G for almost 6 months due to the issue. I occasionally have issues but ##SCRTN# has resolved them.
Click to expand...
Click to collapse
Hey G. Yeah I had actually tried that already. I'm starting to think its the ZVA modem itself is messes up... Oh well at least I got my LTE/3G back. I can live without Spark. Its hokey too...

VECTUS said:
I can confirm this works! Thank you! That's like the ONLY combination I hadn't tried! :good:
Hey G. Yeah I had actually tried that already. I'm starting to think its the ZVA modem itself is messes up... Oh well at least I got my LTE/3G back. I can live without Spark. Its hokey too...
Click to expand...
Click to collapse
You're welcome! Glad I could help!

Not connected to Mobile Network after being on Wifi?

This has been a frustrating issue I've been having pretty much since starting up my T-mobile service about a month ago.
To start off, my G3 is unrooted and on the latest stock software version, 20e.
I use Wifi calling often because I get 0-1 bars of reception at work. All seems to work well until I go outside and try to make a phonecall over the voice network. I'll have plenty of signal bars, be connected to 4G even, yet when I try to use the phone dialer to make a call it will say "Not connected to Mobile Network." or something along those lines.
I haven't done extensive testing, but I believe the other day I toggled the "Mobile Data" off then back on and was able to make calls.
Has anyone else had this trouble? Is it something possibly to do with Wifi and/or Wifi calling?
I believe I could make a phonecall using Hangouts when I was off of wifi, which tells me that the data part is working, but not the voice network.
I contacted T-mobile support, but they just had me do the "typical" things, like shut down the phone, remove the battery/SIM, start everything back up. And sure enough, it worked after that, but I'd rather not have to restart my phone or toggle stuff to get it to work as it should without any hassle.
Thanks!

My wife has the same problem after the 20E update. Her mobile is stock as well. It did not happen on 20B.

thewalkingdude said:
My wife has the same problem after the 20E update. Her mobile is stock as well. It did not happen on 20B.
Click to expand...
Click to collapse
Interesting.... so is there a known solution for it?

rubejb said:
Interesting.... so is there a known solution for it?
Click to expand...
Click to collapse
Off the top of my head no. I'll dig around a bit and see what if anything I come up with.,

From the digging I did I can't seem to find any help. The only thing I can think of is to factory reset it thing and see if it helps. I am going to do do it on my wifes phone tonight.

Yeah, that's what I was thinking too... I'm not really in the mood to deal with restoring all of my apps and whatnot, so I'll hold off on the factory reset for now.
If you remember, could you let me know the results? If I know for fair certainty that a wipe will fix the issue, I might do it.
Thanks!

It's a network problem and it is worst on Samsung phones. I recently went and got a new sim card and it seems to have fixed it. I read it is because if you live in a area where there is poor coverage it causes your sim to where out fast.

punkhawaiian said:
It's a network problem and it is worst on Samsung phones. I recently went and got a new sim card and it seems to have fixed it. I read it is because if you live in a area where there is poor coverage it causes your sim to where out fast.
Click to expand...
Click to collapse
This started happening before my first month of T-mobile service was even up with a brand new SIM. I'm not saying that it's definitely not a SIM issue, just would seem unlikely that it's worn out that fast.

Mobile out of Network-Tmobile - Android
I;m having the same issue, turned phone off and on, checked Network connections everything looks fine, but now able to receive and send texts or make calls.
rubejb said:
This has been a frustrating issue I've been having pretty much since starting up my T-mobile service about a month ago.
To start off, my G3 is unrooted and on the latest stock software version, 20e.
I use Wifi calling often because I get 0-1 bars of reception at work. All seems to work well until I go outside and try to make a phonecall over the voice network. I'll have plenty of signal bars, be connected to 4G even, yet when I try to use the phone dialer to make a call it will say "Not connected to Mobile Network." or something along those lines.
I haven't done extensive testing, but I believe the other day I toggled the "Mobile Data" off then back on and was able to make calls.
Has anyone else had this trouble? Is it something possibly to do with Wifi and/or Wifi calling?
I believe I could make a phonecall using Hangouts when I was off of wifi, which tells me that the data part is working, but not the voice network.
I contacted T-mobile support, but they just had me do the "typical" things, like shut down the phone, remove the battery/SIM, start everything back up. And sure enough, it worked after that, but I'd rather not have to restart my phone or toggle stuff to get it to work as it should without any hassle.
Thanks!
Click to expand...
Click to collapse

Calling issues

Just wanted to see if anyone else has been experiencing this or maybe knows a way to fix this. I have 2 issues with the phone calling on this phone. I had the 925T since launch and never had an issue with it. ever since i sent it in for repair, I've had a strange issue. Fist one is dialing out. When attemting to make a call, it takes anywhere from 3 seconds to 40 seconds before the call actually gets connected. this is highly annoying as i dial a number and it feels like forever before the call actually connects. my other issue is after the phon ehas been one for a few hours, I dont get any incoming calls. the phone will not show me any incoming calls at all so I don't even know when someone calls me. Ive tried everything i can. tried changing sim cards, updated the bootloader and modem, tried different roms, kernels, stock odin, everything. and its the same story no matter what I do. Anyone Have an idea of what it could be? It only works well after a fresh reboot. calls works without issues. hours later, problem comes back

I've had the same exact problem but I attributed it to using an AT&T Sim card on an unlocked T Mobile phone.
I've now rooted and installed Xtrostolite Rom with latest modem and bootloader. I've yet to have any issues. Good luck.

Anyone else have this issue?

I have this issue. It seems if i leave wifi off i do not ever have this issue. I live in a crappy coverage area so i have to have wifi on at home. I just reboot when i leave. I hate this phone....

btothec said:
I have this issue. It seems if i leave wifi off i do not ever have this issue. I live in a crappy coverage area so i have to have wifi on at home. I just reboot when i leave. I hate this phone....
Click to expand...
Click to collapse
You think the problem is WiFi related?

Yes. If i leave wifi off i never have the issue.

Still is happening. whether I have wifi on or off it always happens. It seem,s to be an issue related to VoLTE. When I turn LTE off, the issue dissapears. Updated baseband and bootloader to latest version and issue is still there. Have a custom rom and the issue is still there. go back to the tmobile rom and the issue is still there. thinkiing of going back to a tmobile firmware and turning off VoLTE in the firware then reflashing back to custom rom and seeing if that helps. if not, im selling the phone and getting the F version of the regular S6 and calling it a day. im done with carrier branded phones.

Interesting enough I haven't had this issue in the last 3 to 4 days. I wonder if it is AT&T related.

I have this issue. All the time. Unlocked from tmo, using straight talk at&t. This phone is the worst.

Anyone not on AT&T network having this issue?
I wonder if flashing the AT&T modem on TMO model will help.

cbutt said:
I have this issue. All the time. Unlocked from tmo, using straight talk at&t. This phone is the worst.
Click to expand...
Click to collapse
Maybe you should get a phone from att.
If att service is better than tmobile then maybe there phone is better than tmobile's phone.
Pp.

PanchoPlanet said:
Maybe you should get a phone from att.
If att service is better than tmobile then maybe there phone is better than tmobile's phone.
Pp.
Click to expand...
Click to collapse
I've been able to switch between carriers on any phone that has the supported bands since the galaxy s2. The issue is with this phone. My mistake in buying it.

Please help!

same thing here its unbearable, using latest unibase and xtrestolite

I have tried a few roms and a few kernels. I have tried differ apns but att Sim in this phone doesn't work like it should. I was going to get a TMOBILE note 5 to use on att but now I know it's not worth the risk.

@stu5797, yea man, I wish I had a solution. I'm happy it's not just me, but pretty bummed that there seems to be no answer other than it just doesn't work properly.

I've noticed the issue only happens during peak hours. Can anyone confirm?

I was having similar problems after the 5.1.1 update so after a few troubleshooting sessions with TMO, they sent me a new phone. 2 weeks now and no more problems. First phone that I have not rooted and flashed..... I was also told by a store rep that a lot of people were having issues since TMO is upgrading towers for 12 band.

osmosizzz said:
Just wanted to see if anyone else has been experiencing this or maybe knows a way to fix this. I have 2 issues with the phone calling on this phone. I had the 925T since launch and never had an issue with it. ever since i sent it in for repair, I've had a strange issue. Fist one is dialing out. When attemting to make a call, it takes anywhere from 3 seconds to 40 seconds before the call actually gets connected. this is highly annoying as i dial a number and it feels like forever before the call actually connects. my other issue is after the phon ehas been one for a few hours, I dont get any incoming calls. the phone will not show me any incoming calls at all so I don't even know when someone calls me. Ive tried everything i can. tried changing sim cards, updated the bootloader and modem, tried different roms, kernels, stock odin, everything. and its the same story no matter what I do. Anyone Have an idea of what it could be? It only works well after a fresh reboot. calls works without issues. hours later, problem comes back
Click to expand...
Click to collapse
Are you still having this issue? I have the same issue and the same phone but mine is unlocked and working on cricket network. So yeah same problem taking forever to connect a call and no receiving calls mos of the time. No ring no notification of missing call. I been doing some research and find a temporary fix. Try going to settings -mobile networks and switch from lte/wcdma/gsm to wcdma/gsm or gsm only. But before do a test. Turn off data and try to make a call see how fast it connects then have someone to call your phone. If it works then this trick will work for you. Of course you gotta sacrifices lte speed . Basically having 4g only but at least will fix your calls. These problems seem to ve related to volte i been trying to disable it but there is no such option under phone app setting. I just dont have it. (I cann show some screen shots) so if someone knows a secret code or app whatever to turn it off i will appreciate it. My phone is a t mobile galaxy s6 edge.
PHP:
---------- Post added at 11:00 PM ---------- Previous post was at 10:45 PM ----------
stu5797 said:
I have tried a few roms and a few kernels. I have tried differ apns but att Sim in this phone doesn't work like it should. I was going to get a TMOBILE note 5 to use on att but now I know it's not worth the risk.
Click to expand...
Click to collapse
Try this..
Are you still having this issue? I have the same issue and the same phone but mine is unlocked and working on cricket network. So yeah same problem taking forever to connect a call and no receiving calls mos of the time. No ring no notification of missing call. I been doing some research and find a temporary fix. Try going to settings -mobile networks and switch from lte/wcdma/gsm to wcdma/gsm or gsm only. But before do a test. Turn off data and try to make a call see how fast it connects then have someone to call your phone. If it works then this trick will work for you. Of course you gotta sacrifices lte speed . Basically having 4g only but at least will fix your calls. These problems seem to ve related to volte i been trying to disable it but there is no such option under phone app setting. I just dont have it. (I cann show some screen shots) so if someone knows a secret code or app whatever to turn it off i will appreciate it. My phone is a t mobile galaxy s6 edge

Didn't work for me. I turn off data and I still have to wait until the call goes through