Oneplus 8 T-mobile 10.5.17IN55CB Wifi Calling/Signal Issues

  1. Mammothjojo88
    Donut Aug 18, 2020

    Mammothjojo88 , Aug 18, 2020 :




    I am not sure if i am posting or creating in the right thread, but i wanted to bring to oneplus's attention the wifi calling/signal issues i am facing. Since taking the OTA i have noticed that when on wifi, i am not able to send out text messages or MMS. I am also noticing that phone calls do not come in and it goes straight to voicemail. When i toggle off Wifi, all my messages and notifications come in. I have done a factory reset and have reached out to T-Mobile about this, but want to inform you as well. I will attach screenshots for you to view.

  2. tsumeone
    Donut Aug 18, 2020

    tsumeone , Aug 18, 2020 :
    I can confirm this issue. An official acknowledgement of the problem from OnePlus would be nice.

  3. vanemmy
    Eclair Aug 19, 2020

    vanemmy , via OnePlus 8 T-Mobile , Aug 19, 2020 :
    I to am having signal issues ever since I have received the 10.5.17 update. Numerous times my family and friends told me that they been trying to call me and it goes straight to voicemail. Sometimes it shoes that I have no signal and sometimes it shoes I have signal but I have the the no network being displayed in my settings panel. I even went as far as getting a new sim card but still have the same issues.

  4. Mammothjojo88 , via OnePlus 8 T-Mobile , Aug 19, 2020 :
    I did the same thing, I contacted customer care and set up a new sim also. Still experiencing the same issue

    P1593229079620, tsumeone and vanemmy1 like this.
  5. steve9271
    Eclair Aug 20, 2020

    steve9271 , Aug 20, 2020 :
    I too have noticed signal loss after the update. Hoping for this to get resolved soon

    tsumeone likes this.
  6. P1593229079620
    Cupcake Aug 20, 2020

    P1593229079620 , Aug 20, 2020 :
    I am having the same problem with the same update (T Mobile). This was my first oneplus (8) phone and I will switch back to samsung. For all the issues with samsung, I never had a problem with the phone usability itself.

    tsumeone and Mammothjojo88 like this.
  7. Kowski
    Cupcake Aug 21, 2020

    Kowski , Aug 21, 2020 :
    Wife and I both switched to T-Mobile on OnePlus 8. Device worked flawlessly until this update. Lost signal, texts and calls wouldn't come through. Spent hours with T-Mobile experts, they couldn't resolve it. Had cache wiped, swapped sim cards, had my network profile reset, and even turned off 5G in the settings to no avail. I'm glad to see this update was pulled by T-Mobile. Ended up getting a warranty replacement on our devices and am on the June 2020 security patch without any issues.

    Mammothjojo88 likes this.
  8. Jon1988
    Donut Aug 21, 2020

    Mammothjojo88 likes this.
  9. P1593229079620
    Cupcake Aug 21, 2020

    P1593229079620 , Aug 21, 2020 :
    Does it give you the option to update? I heard that T Mobile pulled the update after the reported issues.

    Mammothjojo88 likes this.
  10. jhous3s
    Cupcake Aug 21, 2020

    tsumeone and Mammothjojo88 like this.
  11. Jon1988
    Donut Aug 21, 2020

    Jon1988 , via OnePlus 8 T-Mobile , Aug 21, 2020 :
    No they didn't give me a option to update, have gotten super frustrated on how t mobile is doing things.
    Lost out on a couple of scholarship because the school said they had tried many times to get a hold of me but they said it went straight to voicemail and didn't gave any options to leave messages.

    tsumeone likes this.
  12. tsumeone
    Donut Aug 21, 2020

    tsumeone , Aug 21, 2020 :
    We got the update before they pulled it. There is no option to downgrade.

    Mammothjojo88 likes this.
  13. Jon1988
    Donut Aug 21, 2020

    Mammothjojo88 likes this.
  14. Caktusmatt
    Cupcake Aug 25, 2020

    Caktusmatt , Aug 25, 2020 :
    I'm having the same issue. If I go to airplane mode and back again it fixes it, but I never know when it's going to break again. Happens every day.


  15. #15
  16. riggsandroid
    Cupcake Aug 27, 2020

  17. G1599166558418
    Cupcake Sep 3, 2020

    G1599166558418 , Sep 3, 2020 :
    I tried turning off 5G by switching to 2G/3G/LTE but this did not work. I switched to 3G/LTE/5G and BINGO! Started working!!

  18. Jon1988
    Donut Sep 6, 2020

  19. TEXASMADE1978
    Eclair Sep 8, 2020

    TEXASMADE1978 , Sep 8, 2020 :
    I'm still having the same issue after the 10.5.20.IN55CB, I have tried toggling all the various different network settings and cleared cache. Not wanting to do a full factory reset as it shouldn't be needed for security patch updates.

    Attached Files:

  20. Shaik07
    Cupcake Sep 9, 2020

    Shaik07 , Sep 9, 2020 :
    I have the same issue with latest update 10.5.20.IN55CB, I have to either restart the phone or turn on and off airplane mode to get the signal back. And my internet speed also not satisfying in this phone, this is my 1st Oneplus phone (8) and now i don't feel good about this brand.