You should talk to someone in Lulu to overcome this situation. Try to get someone in the Supervisory level and talk to him about your situation and they should help you. If you want to complaint in the Customer Protection Department they will ask for the warranty period and will not be able to help if the warranty is over. However if you are still interested to go through then you should visit the Customer Protection Department under the Ministry of Business and Trade located in West Bay Near Salam Plaza.