IPod Shuffle on second-generation iPod Shuffles. On October 26, 2006, Apple released an iPod Shuffle Reset Utility that corrected this problem for some owners of first-generation iPod Shuffles. Then, in March 2007, an updated iPod Reset Utility was released which can also address similar problems with second-generation iPod Shuffles. Unlike most other portable audio players, the third-generation iPod Shuffle's controls are situated on the packaged headphones. The user is unable to control the device unless they use either Apple headphones designed for it, or third-party headphones or adapters that must be licensed by Apple. The third generation iPod Shuffle's headphones contain a
IPod Touch to the iPod Touch as "training wheels for the iPhone". All iPods lack Touch ID, 3D Touch, NFC, GPS, an earpiece speaker and a noise-cancelling microphone. Depending on the generation, the iPod Touch may have a smaller or inferior display and camera(s). Newer models (5th and 6th generation) lack the ambient light sensor that makes automatic brightness available. Older models lack a built in speaker, a microphone, a camera, and a flash. No iPod Touch has a modem through which it can place phone calls or send SMS and MMS. However, 5th and 6th generation models can either piggy-back on