Hello, I would like to support for a Vivo y39, what do I need to do?

I've translated your message, because this is an English-spoken forum.
Here is the porting documentation: https://docs.ubports.com/en/latest/porting/
This will explain what needs to be done.

@vinay5 Sadly it doesn't wok like that. It mostly depends if someone who has the device is willing and capable of creating the port. Then at that point, it'll then depend to the manufacturer if they release kernel sources which is essential to creating usable ports and other aspects of the device as well such as unlockable bootloader.

Hola, me gustaría apoyar para un Vivo y39, que hay que hacer

I moved your post to the Off Topic category.
There are several reasons why requesting a port does not work and is not welcome.

• It's a lot of work. You are asking volunteers to do weeks or months of unpaid work. Yes, ports are made by volunteers.
• For porting, the volunteer making the port needs to have the device in hands. Otherwise it's like you are asking a tailor to make you a suit without taking your measurements: it will not fit.
• Not all devices can run Ubuntu Touch. Here is an article that explains some of the reasons why.

In other words: you can't request a port. You can use an existing port, or you can make one for your own device. Those are the options you have.