Auto Data On Off is a free application which control the mobile data network 2G/3G/4G/LTE on & off automatically. From version 1. 7. 0, it requires rooted device from Android 5. 0 or above, if you device is Android 4. X. Run normal installation is OK. The data network on when screen on. For screen off, it keeps the cycle off & on in the background (e. G.