5g and Volte/ vowifi - OnePlus 8T Questions & Answers

hi everyone,
so i have had working 5g and volte/ vowifi for a while but last week i changed to euro build as someone said it would be better for australian network. anyway i have lost everything. i called optus ( carrer and they did a reset and made sure everything is enabled on their end.) i have flashed global back and still no luck. i have made sure everything is enabled via pdc and qualcomm applications. does anyone have any ideas?

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Hello!
First of all i would check that you have VoLTE enabled both in settings and in EngineerMode menu.
Also check that network type set to smth like NR/LTE/TDSCDMA/GSM/WCDMA and reboot phone.
If after reboot volte and 5G still don't work for you, you'll have to use QPST and PDC, to check what carrier profile is active in your phone now. It happens sometimes, that after firmware update, it resets to default or that, which not fully supported in your country.
As of your screenshot, it clearly says you have Telefonica_UK_Commercial profile active on both slots (sims).
If it is not the right profile for your current country/carrier, you'll need to deactivate it by choosing deactivate on sub0/sub1
and then choose the right profile for your carrier from the list, choose activate it on sub0/sub1, press activate button at the bottom of screenshot, swith off and switch on your phone (not reboot, because sometimes settings and not applied on reboots).
P.S: If you don't happen to find your carrier on the list, it's not a big issue. You can choose and enable the one that is available in your country with VoLTE (and 5G services), in many cases it will work too.

Where do I learn how to use this PDC tool. Does it require root? I have rooted and can do ADB.

Related

[Q]Mobile network problem during searching carrier.

Hello i didn't find anywhere similar problem. I have N5, rooted and with stock rom & kernel, i have a problem with mobile network. In my country there is a network "Play" and it is using own transmitters or from other networks and it is working as roaming network. When i want to find other compatible carriers from menu (manual mode) searching took so much time, more than few minutes. There is a sollution for this? Or fix?
Same situation when i switch from 2G to LTE mode - same results.
Best regards g1b50n
I don't think you can just switch carriers from the network menu. You need their sim card to use them. "Roaming" is usually just automatic, if you have it enabled in setting.
You don't click on different carriers to roam. At least I've never heard of that. To use a carrier, you need their sim and APN settings.
Call your carrier and ask about it. They should know exactly how it should work.
In my country carrier "Play" allow to use other networks. I mean a problem when i want to find other carriers
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Then took so much time to find other networks.
I can connect with all of them (only orange not working cause was for testing)
Just want to know why looking for other networks take so much time.
Sorry, never heard of it....so can't guess why.
It probably falls under the" it is what it is" category.

N920P - Hotspot not working - All options tried

I am starting a new thread because I have tried all methods available and still I am unable to get my hotspot working.
Status: Running PC3 build stock, rooted and unlocked for my carrier(Reliance GSM) with GT. Data services are working fine after entering the APN manually.
I am unable to get the hotspot option in settings.
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Here are the methods which I have tried but couldnt get it working.
Method 1:
Dialed ##DATA# and used my MSL to get into the options.
However, there is no option to change APN settings.
Method 2:
Used sql lite and dig into telephony.db.
Here also, I do not find option to edit APN.
Method 3:
Using GT, I have tried to enable Native hotspot but it didnt worked. Also, when I go into Wifi Hotspot settings, I can enable hotspot but other devices doesnt connect and stuck on "getting Ip address".
I would be delighted if you all can provide your inputs on how to solve this issue.
Any help guys?
Really stuck up!
Have downgraded to Lollipop version but still facing the same issues!
http://forum.xda-developers.com/note-4-sprint/general/lollipop-hotspot-root-flashing-t3048163
Try this thread. The reboot method works for me.
jcarter444 said:
http://forum.xda-developers.com/note-4-sprint/general/lollipop-hotspot-root-flashing-t3048163
Try this thread. The reboot method works for me.
Click to expand...
Click to collapse
I am getting this when I click on APN
View attachment 3821761
Is it because the phone was never activated using Sprint SIM?
If yes, any solution for that as I cant activate it using Sprint in India.
Try to flash make sure ur using pc3
http://forum.xda-developers.com/showthread.php?t=3345216
Sent from my Portable

Very weird problem about the emergency button in lock screen

Hi everyone,
The wired problem is every time I press that button, it won't show my emergency info but reboot my phone signal(signal bar will be empty with a "x" then come back automatically). It worked before, and I think this happened after I rooted my phone with Magisk.
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Any ideas about this? Thanks in advance.
Basic phone info: stock Rom 8.1, stock kernel
Solved: Because of a misconfigured theme file.
I think the phone changes (or resets?) some network configs as part of enhanced emergency services in preparation for you to dial 911. I just checked and mine does it too although I don't know about previous phones or android versions. I'm inclined to think it's more of a feature than is apparent.
cntryby429 said:
I think the phone changes (or resets?) some network configs as part of enhanced emergency services in preparation for you to dial 911. I just checked and mine does it too although I don't know about previous phones or android versions. I'm inclined to think it's more of a feature than is apparent.
Click to expand...
Click to collapse
Might be, but when it was working, it would show my emergency contact info. Right now nothing happened only got this problem (and just found the left up corner also said no service no sim card), and also no dial panel to dial 911

LG V50 Verizon Model - Unable to Make Calls

Hello all,
I seem to have an issue with the phone whereas phone calls are not working on the phone (call \receive). I thought it was an issue with the phone not unlocked but it is. I confirmed by looking at the following:
- Phone says Tmobile at the bottom of the screen
- when searching for networks, mentions all - Tmobile, ATT, Verizon, MetroPCS
- manually selected Tmobile as well as Auto Select Network
- texts work on the Tmobile Sim
- Chrome browser loads pages (data not set to roaming)
- factory reset phone and the issue persists
- inserted known working Verizon Sim to test phone ability to make calls \ receive and works ( able to dial out and ring)
- browsed around the Phone app => turned off Assisted Dialing, Video calling
At the moment, I am trying to get the KDZ to possibly flash the firmware to see if the Radios flashover.
Any thoughts?
Nevermind.
I was able to confirm that it is unlocked and able to work with TMobile....sorta. Calls come in when the phone in certain areas where it can switch to a 2G network and switch back to LTE once done.
I also noticed that the 5G UWS icon appeared in some areas. Speed test doesn't show anything 5G like (20mb down, 17 up).
I would hope that cross flash comes out soon. Lol
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Hey hi how you unlock your v50 from Verizon

Question My Phone Had a Setting Then Dissapeared After I Tapped It.

Hey guys so I was going through my settings under more connections I saw a category with only one option called.
Samsung Network Connection then the setting was called "Network Unlock" I tapped it and nothing happened. Then I tapped it again and my phone refreshed real fast and the setting now is gone.
I went to Network operators to see if I could switch networks just wondering if that setting allowed me to or not only to find out no it didn't. So has anybody seen this before and maybe know what it does?
Network Unlock means your device can be used with any service.
if it disappeared then you have Network Unlocked your device.
rinnycoop121 said:
Network Unlock means your device can be used with any service.
if it disappeared then you have Network Unlocked your device.
Click to expand...
Click to collapse
I checked that but that is not the case I am still network locked I mentioned this in my first post.
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your looking at Network Operators, that is just to select what mobile company tower your connected to, most of the time that is set to automatic.
Network unlocked means you can put any company SIM card in your phone and it will work on that company network, Only if you have service with that other company.
look at attached images, then let me know what your phone says
Yes that was the setting that was there I got up to 3 then when I tapped on it my phone screen refreshed and now that option is gone & I never got to see picture 4.
I attached a picture to show that setting is gone now.
Do you know if it's possible how to make that option reappear?

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