"شارژ و اینترنت همراه اول" is a useful application for subscribers of Hamrah-e-Aval for easy activation and purchase of various internet packages and credit with support for permanent and prepaid SIM cards. The app is free to use and has no advertisements. It offers the ability to pay online and offline without the need for an internet connection. Users can easily purchase internet packages for permanent and prepaid SIM cards and modems. The app allows for quick and easy access to packages. Users can also purchase credit for their mobile phone, save mobile numbers and bank cards for future use, and purchase packages and credit for family and friends. The app also provides information on remaining internet packages and credit for Hamrah-e-Aval subscribers. It has a widget for quick access to the app's features, supports 4.5G, 4G, 3G, and 2G internet, and is regularly updated. Note that while the app prioritizes Hamrah-e-Aval subscribers, it also allows users to purchase packages for other operators.