You cannot use this method to uninstall apps that came preloaded on your device. See the next section for details on removing preloaded apps.
If there is no UNINSTALL button, the app is a default or system app that can’t be deleted without rooting your device. You can tap DISABLE to prevent it from functioning and hide it on your device. To permanently delete it, you’ll need to root your device and delete it from a desktop computer.
See How to Root Android Phones for instructions on rooting several popular devices, as well as tips on finding specific instructions for your device.
Open the Settings app and tap “About phone. " Tap the “Build number” entry seven times to enable the hidden “Developer options” menu. Open the new “Developer options” menu at the bottom of the previous screen. Enable “USB debugging. "
Go to the folder in which you installed ADB. By default, it is usually C:\Users\username\AppData\Local\Android\android-sdk\platform-tools. Hold ⇧ Shift and right-click in the folder. Click Open command window here. This will launch the Command Prompt at the current location.
Type adb shell and press ↵ Enter. This will start a dedicated command prompt for your device. Type cd system/app and press ↵ Enter. This will open the apps folder on your device. Type ls and press ↵ Enter. This will display a list of all of the apps installed on your device.
Type reboot and press ↵ Enter after you are finished removing apps to reboot your phone and finish the process.
