tengo mi iphone en lista negra

i have my iphone blacklisted

I want to know how to remove my iphone from blacklist

No, it is not possible.

If your iPhone is blacklisted, that means the previous owner blacklisted the device by reporting it as lost or stolen, then the carrier will be unable to remove or unlock the blacklisted phone.

See also -> How to remove Activation Lock

How to remove Activation Lock – Apple Support (UK)

• If you need help with removing Activation Lock and have proof of purchase documentation, you can start an Activation Lock support request.

You can contact Apple support for help, -> Get Support (apple.com)

You have to show proof of ownership of your product, provide all documentation showing your purchase of the device.

If you do not have additional proof of ownership, contact the reseller. They may be able to provide the original purchase document.

Once Apple receive your proof of ownership, Apple will further review your request and provide an update.