General One huge example why jailbreaking is a really good thing.

[Zellio]

I did this for my moms ipad 1 and... basically made it usable. Jailbreak and remove language packs and unneeded launcher daemons and you save quite a bit of memory!

http://www.gottabemobile.com/2011/07/08/top-hidden-jailbreak-gems-in-cydia-iphone/

Go down to speed up your iphone section.

 

[braddick]

That article was posted two years ago.
The theory of benefit remains today, but the easier and safer way is to add "iCleaner Pro" and use it instead to achieve your goal of a faster iDevice.

Edited to add: Here is the source you will need:

http://exile90software.com/cydia

 

[Zellio]

Wow, thanks for that. Next time I have access to my moms iPad 1, or any ios device with low ram, I'm gonna try that.

Do you think it would help the ipad mini at all?

 

[braddick]

^
It should as I can't come up with a reason why not.

(What I do is completely use this tool to clean up/ free up memory and then I 'hide' the icon via SBSettings. It's there when I need it yet not visible when I don't.)