After I upgraded my phone to iOS 4.x, it felt slower. Not outright slow, but a bit sluggish here and there. I chalked it up to the upgrade and just lived with it. Last week, my cable modem internet connection went out. In blind panic, I decided to jailbreak the phone, purchase MyWi and use it to tether my laptop. The jailbreak did not go so well. For one the version of Cydia that is installed is actually for the wrong OS and won’t even run. I am stunned that the jailbreak is even being offered – it...