Mustang GT + Fender Tone Support has a new home! Click here or go to https://www.fender.com/tone/support to visit our new support home. Related articles I'm having trouble using the Tone app to connect my Mustang GT amp to my WiFi internet connection How do I set up my Stratocaster® guitar properly? How can I update firmware on Fender® Mustang™ I-V (V2) Amplifier? Where can I find Preset Lists for Mustang™ I-V, Mustang Mini and Mustang Floor Amplifiers? Why should I register my product online?