2G-3G-4G Switch ON / OFF is a free Android application by Danlu Studios that allows users to easily switch between 2G, 3G, and 4G networks in order to save data and battery. With just one click, the app takes you to your cellular network settings where you can select your desired network type. The app also provides a widget on your desktop which changes according to the network type chosen, displaying 3G for 3G and 4G networks, and 2G for 2G networks.

By selecting the 2G network type, users can significantly reduce the amount of data used and extend their phone's battery life. The app is simple and easy to use, making it a convenient tool for those who want to manage their network settings quickly and efficiently. The developer welcomes comments to improve the app, and for technical issues, users can contact Danlu Studios at

Overall, 2G-3G-4G Switch ON / OFF is a useful utility tool for Android users who want to save data and battery life, and it's completely free to use.