In December, or earlier. This always depends on many factors but December would be latest.
The 7€ shipping options are untracked. We still have good experience with regular shipments so we kept the tracked and insured shippings for the higher tiers.
A little after the campaign is done we will send you a survey where you can enter all the information. Here is a helpful article: https://help.kickstarter.com/hc/en-us/articles/115005126894-How-do-I-provide-a-creator-with-my-shipping-address-
Kickstarter described exactly what to do: https://help.kickstarter.com/hc/en-us/articles/115005139313-Can-backers-update-their-address-information-
There are cases where you have to switch to a PC/Mac to do that. The options don't always show in the mobile view of the site.
Don't see the answer to your question? Ask the project creator directly.