You must need to login..!
With MyStrings you can edit any iphone, ipodtouch, and ipad strings. First things first you must have a jailbroken idevice. If you have a jailbroken idevice then go ahead and download the source to your idevice. Once downloaded find the MyStrings utility within the source and go ahead and download the utility. Once downloaded go to your settings and then go to mystrings where you are able to edit all the strings you want on your device. I hope the tutorial helped and please be sure to stay tuned