Mephone 3GS is a character that appears on BFSI. He did not really appear, however, he is mentioned in episode 9 : Rise of Mephone, having Firey and Needle disguise as him. He also appeared in a short flashback in episode 11.
- He is a spoof on Iphone 3GS
- He is the predecessor of Mephone 4
- It is also possible that Mephone 3GS and Mephone 4 Has a releationship (Is brothers, cousins, ect.).