I searched the web if Sonic Port is compatible with iPhone 3GS because my son is playing e-guitar and has a 3GS.
I found that it's compatible here:
So I bought one. But it doesn't work. Every time I plug it in it says:
Audio Routing has changed. Please unplug and plugin your Line 6 device to reset Audio Routing.
I tested the device at my iPad 2 (iOS 7) and it worked. The embedded pilot's guide says: COMPATIBILITY: Sonic port is made for iPhone 5, iPhone 4S, iPhone 4, iPhone 3GS, iPad (3rd and 4th Generation), iPad 2, iPad, iPad mini, and iPod touch (4th and 5th Generation).
Please help. My son is very sad with his birthday gift.
Thank you very much