iPhone Are there any ways to change keyboard background without using tweaks?

[Daviddeteo]

Like the title, im using iphone 3gs ios 6.1.6 jailbroken

 

[eyoungren]

No. If there were, then there would not be a need for a jailbreak.

 

[bbrks]

Like the title, im using iphone 3gs ios 6.1.6 jailbroken

Try AppStore:
https://itunes.apple.com/us/app/pimp-my-keyboard-!/id771393545?mt=8

Not sure though, if it will work on 3GS.

Ups, no sorry, it requires IOS 8....