I remember my friends telling me about Maxbhi. com & Zeesppares. in.. but I have never used them personally.. There are a lot of third party repair shops you can take your phone where they can repair phone in front of you. But the quality of parts is questionable.. Even the ...
Also, you can pay for even more extra services (like repair of the product in maximum 5 days, if they can't repair in 5 days they will give you a new one instead, but this is not an EU law or something, depends on the country and on the store; in some Romania store for example...