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FIX: Samsung Galaxy S6 Not Receiving Calls On Android 5.1.1 with WiFi


EDIT:
Apparently, if you are connected to your Wifi, and have NOT dialed out for a while (a few minutes - hour) you won't be able to receive calls until you dial another number.

Therefore, this fix only works for phones that are idle, (hence wifi is automatically turned off) but if you are actually using your phone with wifi - this still occurs

Pretty serious bug if you ask me

There has been in the issue with the new Android 5.1.1 Samsung Galaxy S6 update where:

Similar thread here:
https://community.koodomobile.com/koodo/topics/samsung-galaxy-s6

1. Phone calls are not logged - when phone is idle & connected to Wifi
2. When people call you they go instantly to voicemail
3. You get no missed call alerts
4. You get instant voicemail notifications.
5. You don't get new text messages

Koodo should be on top of this but they are not.

This is a issue with either the Android Software or the Koodo Network because Koodo DOES NOT support "Wi-Fi Calling" (There is no option in the Settings for S6 @ Koodo) therefore you can't enable or disable it.

Fix
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The fix is to not have Wifi on when the phone is idle/sleep. change your Wifi settings below to the screenshot below.

Settings -- > Wifi -- > MORE -- > Advanced -- > "Keep Wi-Fi on during Sleep = Never"
I also have "Network notification" and "Always allow scanning" enabled.



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40 replies

Userlevel 7
Badge +4
Not had a single issue with either my s6 or s6 edge on Koodo and many others here I know have not mentioned any issue like this at all either with their S6 or S6 Edges
Paul "Kid Android" Deschamps wrote:

Not had a single issue with either my s6 or s6 edge on Koodo and many others here I know have not...

https://community.koodomobile.com/koodo/topics/samsung-galaxy-s6

Userlevel 7
Badge +4
Paul "Kid Android" Deschamps wrote:

Not had a single issue with either my s6 or s6 edge on Koodo and many others here I know have not...

Is your S6 from Koodo or one that you brought to Koodo as an unlocked device ?
Paul "Kid Android" Deschamps wrote:

Not had a single issue with either my s6 or s6 edge on Koodo and many others here I know have not...

Are you on 5.1.1 and did you test it? It took me a while to notice this issue, as well. You need to be connected to a wifi network; it's not enough to just have wifi on. The better workaround for this issue is just to use the WCDMA/GSM option of your mobile networks settings. This will avoid you having to toggle wifi on/off all the , but you will lose lte connectivity.
Paul "Kid Android" Deschamps wrote:

Not had a single issue with either my s6 or s6 edge on Koodo and many others here I know have not...

I got mine from Koodo, and i have it on 5.1.1. Sometimes this occurs on the WCDMA/GSM option as well.

Paul "Kid Android" Deschamps wrote:

Not had a single issue with either my s6 or s6 edge on Koodo and many others here I know have not...

This exact same thing has been happening to me since the update, I've only had this phone since June. I've changed the WiFi and the data just now accordingly to these suggestions. Hopefully it works cause my phone hasn't been receiving texts for almost 5 hours. I find if I send myself a text message I will get all the messages that haven't come through since then. But sometimes, I never receive the texts from myself either. It's extremely frustrating!
Userlevel 2
Paul "Kid Android" Deschamps wrote:

Not had a single issue with either my s6 or s6 edge on Koodo and many others here I know have not...

5..1.1 is also broken on my S6 edge, My LTE keeps disconnecting or takes much longer to send a text or messege. The same thing happens on my friend's S6 edge. My edge was perfect before the update.
Paul "Kid Android" Deschamps wrote:

Not had a single issue with either my s6 or s6 edge on Koodo and many others here I know have not...

I have the same problem. I called koodo several times. Nothing happened.
This hardly seems like a "fix" when you are forced to burn through your data and then get charged extra when you go over your limit. Hopefully this issue will be addressed soon.
Bobbi wrote:

This hardly seems like a "fix" when you are forced to burn through your data and then get charged...

If wifi is off only during sleep then you won't burn through data.. I have mine set do download app updates only when charging and with wifi connected.
Im having the same issue my husband tried calling me one morning six times, my phone did not ring nor did i have any recent missed calls in my call history from him. this has now happened twice! he should me his call log and all his calls he placed to me were there but my phone did not ring at all!  im a galaxy s6 edge plus user 
Having same issues at work and home wi-fi phone calls go straight to voicemail if I don't use my phone enough. I'm having this issue with telus so may not be a koodo issue but a samsung problem 
Danforth Lumber Company wrote:

Having same issues at work and home wi-fi phone calls go straight to voicemail if I don't use my ...

I have the same issue and I am with Telus. Telus sucks to being with and I don't plan on turning off my wifi at work or at home just to get phone calls and texts, this is stupid. Ill start getting charged out of the ass on data if I do that. This is not a fix. This is still a huge issue especially for people like me who use their phone for 90% work and I cannot afford to miss phone calls or texts, this is very frustrating.
Danforth Lumber Company wrote:

Having same issues at work and home wi-fi phone calls go straight to voicemail if I don't use my ...

Office calls and text messages don't use much data really. Browser, Facebook and especially youtube use a fair bit. Basically when your screen is off and or your phone screen is locked there isn't much data usage to worry about.
It's not just Koodo, I have the exact same issue on TELUS and I saw this post about Rogers: http://mobilesyrup.com/2015/10/09/android-511-galaxy-s6-rogers-problems/
I am having this issue with my S6 and it just started on Thursday.  Calls go straight through to VM even when I am not on wifi and I have not been getting my text messages until I am off a wifi network and start using my phone.  This 5.1.1 update issue needs to be fixed ASAP.
TinaMiskey wrote:

I am having this issue with my S6 and it just started on Thursday.  Calls go straight throug...

Agreed. Going 4G is not an option. Such an expensive phone should be able to handle LTE. It's ridiculous there's no response from Samsung.
Userlevel 3
TinaMiskey wrote:

I am having this issue with my S6 and it just started on Thursday.  Calls go straight throug...

https://community.koodomobile.com/koodo/topics/galaxy-s6-s6-edge-wifi-disconnect-issue
Userlevel 7
Badge +4
https://community.koodomobile.com/koodo/topics/galaxy-s6-s6-edge-wifi-disconnect-issue

Has anyone downloaded the new software update yet? 
I'm nervous too, after just having all these issues.
Userlevel 3
Michelle Minshall wrote:

Has anyone downloaded the new software update yet? 
I'm nervous too, after just having all t...

I updated 2 of my phones today! Both S6's. One update was 277MB's and the other one was 97.70MB's! I'm so confused! LOL
Both seem to be fine though.Seem to be getting my texts on time,haven't tried calling with wifi on and off yet. 
Better switch the network to WCDMA only and no problems after that.
I can't believe reading this... I'm glad I'm not alone.  Calls not coming in, and text's not coming in for several hours, or until I send myself a text, then they all come through (when texting myself even works that is...).  I'm with Rogers by the way with my S6.  My old phone was a cheap HTC and never had an issue, so I thought I would go with the great Galaxy S6 this time around, and this is what I get...  Brilliant...
I have not had any issues since downloading the latest software update, about a week ago. Unfortunately, I did not even know there was an update until reading above posts. I then had to search for it in my settings, there was no notification that there were updates available. I am not the most tech savvy, and would appreciate some heads up that there are updates waiting.
Userlevel 7
Badge +4
If you updated a week ago, it means you already are on the latest update, right?

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