You can find the official application on the following stores: : Djezzy on Google Play . For iOS : Djezzy on the App Store .
To download the (formerly known as Djezzy Internet) and manage your line and offers like 2DZ SIP or other promotions, you should use the official distribution platforms. Where to Download the Djezzy App
While specific keywords like "2DZ SIP" often refer to legacy or promotional credit/subscription fees, Djezzy currently offers various internet and call packages:
: Most offers can be activated directly by dialing *707# or *720# from your mobile. Key App Features FAQ mobile telephony and internet DJEZZY