iPod Touch 4th Generation Teardown

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iPod Touch 4th Generation Teardown: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

iPod Touch 4th Generation Teardown: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

What's this? Empty space?
We don't know what this white plastic piece does other than take up space. Perhaps it's a weight-saving device.
From a user: "it is used to keep the Wi-Fi antenna above the lower metal housing to achieve proper RF gain." Neat!

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