As the modern electronic gadgets like iPhone, iPad, iPod Touch, Smartphone etc. are well equipped with the latest new features embedded in it. Using this phone you can store messages, contacts, send emails, access internet, click photos, record videos and many more. It just acts like a storehouse of information for you. It also has an option of saving your favorite videos, audios, messages, contacts etc. on iTunes. For this you have to upload them on iTunes, then you can also delete them from your phone as this would create space in your phone and at the same time you can access them from iTunes whenever you want. Gradually with the passage of time, iTunes generally get updated by releasing the update software. And sometimes while updating or restoring the iTunes, you may get 1671 error.