No one is responsible .. it is only you ..who's have to bear the losses. I also been in this stage few months back . My device had not a single scratch or of water damage .. but to had to pay 23k for change of display where the screen automatically went off while watching movie.
As per your query, we would request you visit the service centre where your product was previously serviced. They will provide you with all the information in a better way after inspecting the device physically.
