iPod Touch 可以升级吗？
我有兴趣购买 iPod，以便能够在 iPhone 和 iPod 上测试我的应用程序。我真的不关心 iPod 的任何其他用途，所以我愿意买一台二手的。
但问题来了，旧的 iPod 是否缺乏任何功能或软件可升级性，从而限制我可以在其上测试的应用程序类型？我对 iPod 一无所知，也不知道它们是否已经通过更新的型号改进了操作系统。
感谢您提供有关此的任何信息。
I am interested in picking up an IPod in order to be able to test my apps on both the IPhone and IPod. I don't really care about the IPod for any other purpose, so I'd be willing to buy a used one.
But the question arises, does an old IPod lack any features or software upgradability that would limit the type of apps I could test on it? I know nothing about IPods and whether they have evolved their operating system with newer models.
Thanks for any information on this.
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所有 iPhone 和 iPod Touch 都可以在新版本推出时升级固件。 Apple 历来对 iPod Touch 的更新收取费用。我无法谈论较旧的 iPod（nanos、classic 等）
All iPhones and iPod Touches can upgrade the firmware as new versions become available. Apple has historically charged for updates to iPod Touches. I can't speak towards older iPods (nanos, classics, etc)
请记住，iPod Touch 没有 GPS、摄像头或麦克风。在某些情况下，这可能会限制您的能力。
Keep in mind that the iPod Touch does not have GPS, Camera, or Microphone. This can limit your ability in some cases.
好吧，旧版本的 iPod touch 并不包含与新型号相同的功能（相机等），但它们都进行了升级。唯一的问题是旧版本在新升级方面不如最初为旧软件设计的那么好。希望这有帮助。
-CodeKid1001
Well, Older versions of the ipod touch do not include all the same features as the newer models (camera, etc.), but they do all upgrade. the only problem is that the older versions are not as good with new upgrades as they were originally designed for old software. Hope this helps.
-CodeKid1001