This module adds an edit-button to all products in the cart. Clicking the button brings users back to the product form, where they can change the cart-item's selected attributes and/or quantity.
Just enable the module. It will work out of the box.
Modules with similar functionality
Ubercart attributes in cart: Use this module, if you want to let the user change the product's attributes directly in the cart. If you want to use the product form instead, use "Ubercart Edit Cart Item".
Currently this module doesn't support product kits.
Product kit support for 7.x version has been added.