This application contains codes USSD for the three mobile operators in algeria mobilis djezzy and ooredoo: ✔ mobilis USSD Codes and Services ✔ djezzy USSD codes and Services ✔ ooredoo USSD codes and Services it contains also some other options such as: ✔ SIM Card info ✔ 3G / 4G Configuration dz You can e-mail us your opinion or new ideas and suggestions and even to notify us about errors in order to improve the application.