xcode - Upgrade cocos2d framework inside project -

i have installed cocos2d project templates , created application. need replace framework files inside ready project.

i have replaced templates inside xcode using this:

how uninstall cocos2d templates?

is enough replace files of cocos2d framework? or must create new project using new version of template , manually add items?

if upgrade cocos2d v1 v2 need create new project , copy files, if upgrade v2 v2.x simple, need remove cocos2d files project (cocos2d, box2d, cocosdenshion, kazmath.....) , add new ones.