Yes, PdaNet works without root on most Android devices. PdaNet is a popular tethering app that allows users to share their device's internet connection with other devices, such as a laptop or tablet. The app can be used with or without root access, but the features available may differ between the two. Without root access, PdaNet requires the installation of a desktop client program to establish a connection between the device and the computer. However, it is important to note that some carriers may block the use of tethering apps, so it's important to check with your carrier before using PdaNet.