Classic Setup is an Android application that allows users to apply advanced settings for GSM Auto Dialers, specifically for models like G1 Ultra. It is important to note that this app only works with compatible hardware.

The app provides users with a range of advanced settings to customize their GSM Auto Dialer, including the ability to set the dialing interval, adjust the ring duration, and configure the dialing mode. These settings can be easily accessed and modified within the app, making it a convenient tool for users who want to optimize their GSM Auto Dialer's performance.

Overall, Classic Setup is a useful app for those who want to take full advantage of their GSM Auto Dialer's capabilities. However, it is important to ensure compatibility with the hardware before downloading the app.