Can't buy xbox dev mode

To activate developer mode I need to buy licence first and I have different problem, I can add payment method. But when I use it I get error. This guys have the same problem https://answers.microsoft.com/en-us/xbox/forum/all/error-when-purchasing-xbox-developer-mode/2b49a6c6-1072-4721-bae0-0337984eebda.

https://answers.microsoft.com/en-us...dev-mode/540fecd6-60e1-4c90-9dce-a90b76a73d43

Are you in an xbox supported region and which region

Hi. My name is Brilliant, an independent advisor. I am happy to assist you today.

I’m sorry to hear that you are experiencing issues with purchasing dev mode. Unfortunately, I don’t have enough information to provide a specific solution to your problem.

However, I found a thread on the Microsoft Community forum that might be helpful: https://answers.microsoft.com/thread/d7f0128f-3602-407a-a1ac-419869ead8c9

The thread suggests that you can try downloading the Xbox Dev Mode app and following the procedure to activate developer mode on your retail Xbox console.

I hope this helps.

My Xbox is in the same situation. Can't enter dev mode.😥

Well what I'm referring to is that all Xbox one consoles have a hidden developer setting in the console info settings and that it was found using a button combination using LB RB LT RT and I'm guessing this was for developers at the time before the dev
mode activation app was made public and the concern is that If you accidentally or curiously changed the sandbox ID and it restarted to the sandbox mode where you have enable dev mode entirely because you can't enable dev mode if you in retail mode in sandbox
mode yes but resetting the console back to retail defaults is concerning that you could possibly damage the console Xbox warned users to not change anything in the sandbox ID and I'm not sure if the hidden dev settings were official like the app