After successful activation, a peripheral device management page pops up indicating that the mapping has been enabled. The red and blue indicator lights of Utool are always on, you can unplug the Utool. If there is a USB debugging authorization popup on the phone, select "Confirm". Connect utool to the device ( refer A+page). After connecting the Utool, the red light will remain on. Firstly, please download the Android version of 'Flydigi Game Center'. Then, step 1. Open the manage pages, step 2. Open the Function settings pages, step 3. Open USB debugging pages. Flydigi Utool is customized for Android phones and tablets, a tools for opening the key mapping service, root free, and computer free.