The action Set USB Tethering State turns USB tethering on or off.

Note: This action does not supply the USB tethering feature by itself, it only turns on the setting. Some providers remove the USB tethering feature. This action can not turn on tethering on such a phone.

Warning: This function is not officially supported by Android and might not work on all devices.
Warning: This function requires root access starting with Android 4.0.

• Turn on USB tethering when USB is connected.
• Turn off USB tethering when the battery level is below 50%.