Hi, thanks to this tutorial achieves replace my iPod battery to 100%, it was difficult, so thanks iFixit!
The only problem I had was with the iFixit screwdriver disappointed me greatly, as it can not remove the screws with the screwdriver.
A tip for those who first make repairs before starting the disarmament carefully read through the tutorial to not make a mistake that could damage your iPod and do not forget to place pieces in a safe place so they are not lost.
