Html form get,post,.. dont work on Nokia Phone from 2006

[LFF5644]

On that phone if i klick on an input type summit it just says "ungültige Antwort" aka unknown awnser so means the server responses wrong or in an newer format. Here an picture of the phone while exploding xD

[LFF5644]

Very pasic browser but works it dont have buttons, div, very basic style like colors only

[L3P3]

I need more information for testing it, please try with a raw rtjscomp http port to rule out if issue is in nginx.

[LFF5644]

Its not an nginx error

[L3P3]

Please give exact example for page where this happens.

And give what is in request for that request.