Earlier this year,  Cydia tweak called “Rename” that allowed you to easily rename an app’s icon name. Since then, the tweak has seemed to vanish from the Cydia Store. Luckily, there is a new tweak on the block that allows you to rename apps straight on your iPhone, and it’s even easier than Rename.
Icon Renamer, by the renowned Cydia developer Ryan Petrich, is a new Cydia tweak that allows you to rename icons from your iPhone springboard in the simplest way possible. There’s nothing to the actual tweak, it integrates itself into your iPhone springboard…

1) Standby time: Up to 300 hours
2) Talk time
Up to 12 hours on 2G
Up to 5 hour son 3G
3) Internet Usage
9 hours on Wi-Fi
5 hours on 3G
4) Video play back time: Up to 10 hours
5) Audio playback: Up to 30 hours