The Differences Between the 2nd & 3rd iTouches
The iPod first hit stores in 2001, and since that time, it has undergone many changes, improvements and iterations. Apple refers to each new iPod release as a "generation," and each generation contains key differences or improvements over the previous generation. For example, you can find specific differences between the 2nd- and 3rd-generation iPod Touch models.
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Memory
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The iPod Touch uses flash memory to store media. The 2nd-generation iPod Touch is only available in 8 GB, 16 GB and 32 GB models. The 3rd-generation iTouch is available in 32 GB and 64 GB models. "GB" simply refers to gigabytes, the amount of storage available on the device. One gigabyte equals one thousand megabytes.
Model Number
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If you cannot tell whether you have a second- or third-generation iTouch, Apple advises that you look for the model number. You can find it on the back of the device, near the bottom. The 2nd-generation iTouch is model A1288, while the 3rd-generation iTouch is model A1318.
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Voice Control
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The 3rd-generation iPod Touch supports "Voice Control," a feature that allows you to voice commands such as "Shuffle" or "Play American Pie." The 2nd-generation does not support this feature. Originally, Voice Control was developed for the iPhone.
Accessibility
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The 3rd-generation iPod Touch includes features for the hearing- and vision-appeared, accessed from the "Settings" application. Accessibility allows you to magnify text, if you have difficulty reading small print, and also allows you to downmix your music to monophonic sound, if you can only hear out of one ear (in other words, all of the sound will transfer to one headphone side, rather than surrounding you). The "VoiceOver" feature provides spoken reading for the blind. The 2nd-generation iPod Touch does not support these features.
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