Develop Bugs

[Q] whatsapp messages

Hello.
I've noticed that when I'm in a phone call I don't get whatsapp messages that start to arrive when I end the call.
I've checked the Preferred Network Type (in settings, Mobile networks) and it was on 2G/3G/4G.
I've changed it to 3G and now whatsapp messages arrive also during calls.
The problem is that in this way I loose the 4G.
Any way to have 4G and reciving whatsapp messages during calls?
Thanks.
Luigi.

Voicemail - Giffgaff network

Hi,
Since updating the OOS 3.2.2 no only can I change my voicemail number but I am no longer getting voicemails
I called my self and left a message phoned up my voicemail and it says I have no messages and no notifications either.
I'm on network Giffgaff

Error shown while forwarding call

Hello,
i enabled forward call on my tab s , it shows network error and signal wont show and sometimes it will show network with forwarding call notification on the pull down notification bar for a second or two and again shows network error with no signal.
The sim is working fine on my other devices , so its an issue with the tab
any way to solve this issue? i dont mind not having forward option but i want to revert it back to the normal call setting.

Messages over BT

My 3XL won't allow any of my bluetooth devices (Dodge UConnect, Huawei Watch) to access messages. It is not an option in the pairing security (where you can enable/disable audio, contacts, etc.). Am I alone here? Or is everyone having this problem? When I receive a new text message, my car and phone are completely unaware of it.
I'm using Google Messages.

Nope. Both my car (2018 Subaru) and Garmin Vivo connect and receive & send notifications just fine.

I'm an idiot. The phone was displaying a notification to grant permissions to messages, but I didn't see it because it was hidden in the "dot" summary notification icon due to the notch. Once granting permissions, the messages come through fine.

Popup ad after every call

Hello guys, does anyone know how I can get rid of this popup after any outgoing call?
https://imgur.com/a/p1XmeFC
As far as I can understand, this popup may be coming from three places.
The first would be from the Sim Toolkit, however it is impossible to disable notifications from the app, and just silencing them does not solve the problem.
The second may be a CBS (cell broadcast) message, but the stock Samsung Messages app does not show any options to disable them.
The third option is that the operator is using the amber notification channel to show the popup. But OneUi 2 does not show the option to disable alerts (the option should be in Connections> More Connection Settings> Emergency Alerts> Settings> Alert Types> Amber Alerts)
Note: The popup is a message from brazilian carrier Claro asking for prepaid recharge. The smartphone is a SM-A705MN in the latest version of Android available in Brazil.