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After latest update, GS9 keeps defaulting to Cellular Preferred over Wi-Fi calling

  • 25 February 2019
  • 65 replies
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I have very poor (but existent) cellular coverage in my home.  I had no problems with setting Wi-Fi preferred for all of my calls/texting prior to the latest (large) update.  Now, I can select Wi-Fi preferred under Wi-Fi calling, however it never seems to save that setting.  As I am typing this, I have two outgoing messages that aren't sending (spinning circle) because the phone can't decide whether it wants to use Cellular or Wi-Fi.  I want it to use Wi-Fi because I know my Cellular coverage is horrible at my location.  I called into customer service today (somehow without a dropped call) and they made some adjustments on their end, however it fixed nothing. 

Even after selecting Wi-Fi preferred, I will go back to check a few minutes later and the phone has already switched itself back to Cellular preferred.  This is very frustrating.  What can I do to ensure that Wi-Fi preferred will be the default setting?

Thank you

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Best answer by tmo_amanda 28 February 2019, 00:37

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 Team T-Mobile, You need to pay attention to this thread. 

I think maybe AT&T is messing around with your customers. It may be unintentional,  I don't know.  When I'm driving, I switch to the AT&T network when your signal goes low, and I get virtually no data from them.  If I hard code my network to stay on you, then I have virtually no drops on my commute.

 Now Now catch this, if I do the same thing when I'm at home, my cellular calling preference does not change from Wi-Fi preferred repeatedly. II I leave my cellular network selection on automatic, then AT&T network is selected, And my cellular calling preference continues to switch to cellular preferred.

 Can others confirm this, go in and change your network selection to be T-Mobile only and see if your Wi-Fi calling preference stops switching to cellular preferred.. This may be a bug in android's cellular network selection, or it could be another provider messing with T-Mobile settings.

 I'm finding that after updates I no longer can drive my commute without interrupted streaming. Now I'm also dealing with my cellular preference switching off of Wi-Fi and on to cellular. I have the Samsung S21.

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Just to let you know that with an android update many months ago this constant switching from wi-fi to cellular stopped and most of the time my android phone stays on wi-fi. Once in a great while I get a “preferences updated” notice and after that happens my phone reverts to cellular preferred. However, this is very rare. This seems to happen only with ONE of the wi-fi systems that I regularly use. I have no idea why. Just had a new android update today and my phone was still on wi-fi preferred after the update. Hope my update is helpful to the community.

Hey, @drinktigermilk​!

 

Unfortunately, this is the first post that I've seen around the Support Community regarding WiFi calling taking a back seat to cellular after updating to Pie. We're still working to get answers on why this is happening and what we can do to fix it. In the meantime, we're using this thread: Official Android 9.0 Pie Discussion Thread to track user-reported issues related to Pie. When we have more info, we'll be sure to post it over on the linked thread.

This thread doesn’t exist and this link is broken. Also this isn’t a solution.

This is happening with my Galaxy s21

Wifi preferred keeps switching back to cellular preferred. I’m missing important calls because I work from home where I don’t have great cell coverage. 

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Since last Android update my Galaxy S9 is driving me nuts. Tells me via notification with a beep that wi-fi is optimized every 10 minutes and phone refuses to retain wi-fi preferred setting. I live in a high rise where wi-fi works but I’m up high and cell service competes so calls are dropped and have a vacation home with practically no cell coverage so wi-fi is vital. I’m about ready to give up on T-Mobile. Wi-fi service is a great feature but it stopped working and when you call technical support they have never heard of the problem. There are some screws loose in this system. All these messages about the same or similar issues and technical support knows nothing? Why have this idea exchange?? A high up technical support person told me it was other applications on my phone causing the problem. Samsung says its T-Mobile’s fault. T-Mobile says its Samsung’s fault. I am exploring other carriers as I write this. I just cannot understand why this problem cannot be fixed NOW. All the advertising to recruit new customers and T-Mobile will be losing old ones. Wi-fi use with the cell phone is very useful -- but not having it so screwed up. Should they not admit that there is a BIG problem and get it FIXED. This company seems totally and completely unresponsive and irrational.

Same issue with iPhone 12 and 12 mini. Something to do with 5g phones or Tmobile 5g SIM cards.  They need to fix this WiFi calling issue or I have to find a new cell company. It’s been going on way to long now . TMOBILE get with it already stop going one step ahead and then 3 steps back

 

Same issue with iPhone 12 and 12 mini. Something to do with 5g phones or Tmobile 5g SIM cards.  They need to fix this WiFi calling issue or I have to find a new cell company. It’s been going on way to long now . TMOBILE get with it already stop going one step ahead and then 3 steps back

I have very poor (but existent) cellular coverage in my home.  I had no problems with setting Wi-Fi preferred for all of my calls/texting prior to the latest (large) update.  Now, I can select Wi-Fi preferred under Wi-Fi calling, however it never seems to save that setting.  As I am typing this, I have two outgoing messages that aren't sending (spinning circle) because the phone can't decide whether it wants to use Cellular or Wi-Fi.  I want it to use Wi-Fi because I know my Cellular coverage is horrible at my location.  I called into customer service today (somehow without a dropped call) and they made some adjustments on their end, however it fixed nothing. 

YOU WOULD THINK SOMEBODY AT T-MOBILE WOULD READ THIS THREAD AND RESPOND!!??

Even after selecting Wi-Fi preferred, I will go back to check a few minutes later and the phone has already switched itself back to Cellular preferred.  This is very frustrating.  What can I do to ensure that Wi-Fi preferred will be the default setting?

 

 

Thank you

 

This just started happening in recent months. I have a Galaxy Note 10+5G. I have been a T-Mobile customer for many years, but I will switch carriers if they don’t fix this “feature” or whatever you want to call it. Why can’t I just set my phone on wifi preferred and have it stay that way? Unreal.

im legacy and this is not solved its a burden on the prepaid thats what they want

 

I too am seeing this on a Galaxy Note 20 Ultra. I actually had to silence the notifications for this because it popped up every few minutes telling me my wifi calling preferences have changed. I still get the notification several times a day but it doesn’t make any sounds. 

I absolutely need wifi calling. I’m lucky to get 1 bar of 4g LTE inside the house. 

I have been having the same issue on both of my Samsung Galaxy Note10+ for last few months. TMO, since my signal is terrible in my house could you make available the signal booster you once carried?

I have same issue after i had to get replacement phone. My other s10+ never did this... So annoying..

Tried updating E911 address to location where I was visiting, reset network wifi settings.

Working from home during pandemic and now dealing with this nonsense.

Tmobile fix this!

I've been with tmobile after omnipoint since 2003.

If not fixed switching carriers!

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Hello, TMO are you there?? 

 

Wait you cant hear me cuz my stupid phone keeps unilaterally switching my WiFi call preference to Cellular when I’m right next to my router.

Im having the same annoying issue with my S8.

Fix it! or Im switching carriers. BTW, been with TMO since ‘96.

T-Mobile you are the provider. Find a fix and get  it released. Thanks.

Just to add to this exchange, I have the same problem with the S8 and the S8 Plus.

 

T-Mobile, go fix this issue asap, please.

 

 

I live in the foothills in a cell service dead spot, but I’ve got fiber-optics internet and a top-of-the-line WiFi  router, which works great with my Samsung A11. Likewise, at work, the WiFi signal is much stronger than my cell reception when I’m indoors, so I would ALWAYS prefer to prioritize WiFi calling - if I could -  but it keeps changing back to “cellular preferred”…

I’ll add my name to this long list of people who are thoroughly dissatisfied with this automatic reset to “cellular preferred”. This is an incredibly serious flaw in the operating system apparently brought on by a recent update, and whoever it was that thought this “automatic adjustment” was a good design feature oughta be fired. I just recently changed carriers from Verizon to T-Mobile and am already beginning to regret it.  

T-MOBILE OR ANDROID, WHOEVER IS RESPONSIBLE, GET YOUR ACT TOGETHER AND FIX THIS !

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I have the same problem on my s10e.  My software information says Android Version 10.  I have weak Cell signal at home but the WiFi is strong.  So I set my network preference as Wifi.  Every few minutes my phone alerts me that it has updated my preferred network settings to cellular.  This repeats over and over.  I have had the phone for more than a year and it was working fine until recently when I got tired of being pestered to install an update.

I have the same problem with my S9.

Its exasperating 

I understand this is Androids os and not T Mobile’s fault...but this shouldn’t be happening. And Samsung has no english speaking support based on the last time I called, got transferred three times and they kept being rude and hanging up on me. What si the fix as of 10/23/20 for an Android S9+ ?

BTW, this change away from Wi-Fi happens and I am 10 ft. from the modem, The  Wi-Fi works fine 200 ft. away.

 

Does anyone from T-mobile even acknowledge this issue????

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We need a news site to cover our struggle so that's what I’m going to get. Wish me luck!

This is driving me crazy. I am beyond frustrated. I have no signal at my house...even though I should have signal according to the tmobile map, but I’ve had my service for many years and I use WIFI. Now? I have to go to my phone settings before every call, change it from cellular preferred to wifi preferred, and in the middle of my call, the call drops. I look and it switched to cellular, and I have no coverage. It’s unusable. I disconnected 5 times on my last phone call. I work from home, I need this to work. I live in the middle of a city and I can see towers all over the place. I’m not sure why I can’t use my phone. I called once to complain and was told that I was in between the towers.

To cause further frustration, while I have no signal, and my calls go to voicemail, my visual voicemail fills up, and I cannot delete my messages over WIFI...but I don’t have signal so I cannot get any data coverage so I cannot delete my voicemails, so I cannot get new voicemail. If I cannot find a solution very soon, I am going to have to change carriers, which is too bad since I hate AT&T with the passion of a thousand suns.

Galaxy 10+ this started happening 2 days ago. It is happening every 10 or 15 minutes. The phone makes a noise like a text coming in. It is a PITA. I need wifi calling due to weak mobile signals. THIS NEEDS TO BE FIXED!

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