An iTunes-compatible CD or DVD recorder to create audio CDs, MP3 CDs, or backup CDs or DVDs.Make sure you are using the most recent version of iTunes on your Mac. If you have an outdated version of iTunes on your Mac, it may not be able to correctly download and install the latest OS on your phone. An Internet connection to use Apple Music, the iTunes Store and iTunes Extras Sometimes, the problem lies not with your phone but with your computer.A screen resolution of 1024 by 768 or greater 1280 by 800 or greater is required to play an iTunes LP or iTunes Extras.Playing 1080p HD video requires a 2.4GHz Intel Core 2 Duo or faster processor 2GB of RAM and an Intel GMA X4500HD, ATI Radeon HD 2400, NVIDIA GeForce 8300 GS or better.Playing 720p HD video, an iTunes LP or iTunes Extras requires a 2.0GHz Intel Core 2 Duo or faster processor 1GB of RAM and an Intel GMA X3000, ATI Radeon X1300, NVIDIA GeForce 6150 or better.

Playing standard-definition video from the iTunes Store requires an Intel Pentium D or faster processor, 512MB of RAM and a DirectX 9.0–compatible video card.A PC with a 1GHz Intel or AMD processor with support for SSE2, and 512MB of RAM.

Most recent itunes version