I want to jailbreak my 4s on 7.1.2 because I am sick of restoring my iphone every 2 weeks because the "other" gets too big and because of the settings app badge. I just want to jailbreak and install icleaner pro to disable the software update and also to keep "other" low. I use a lot apps like tweetbot or facebook and the cache files always fill up the storage. I also want to know if by jailbreaking my iphone will be laggy or slow. I don't plan on using any tweaks, themes, basically no "mobile substrate". Just icleaner pro.