iPad local data storage limit

Can anyone tell me what开发者_StackOverflow中文版 is the maximum size that can be download from the web and can be stored locally.

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The limit is 5 MB. See also this S.O. post.

You could also have a look at this if you are interested in going beyond that limit.

EDIT: after your comment I see you are not referring to local web storage. Local web storage is a new possibility offered by HTML5 to store key-value pairs. This has got the limitation I was mentioning.

As to your case, I don't think that there is some restrictive limit on the amount of data you can download and store locally (in your Documents directory) in order to access it later. You can check this, where answers range from a minimum of 2GB of flash space to no limit at all. So you can be safe.

If you are referring to the limit in the total amount of data you can download over 3G connections (also called over-the-air download), this is 20MB. You are only allowed to download a larger file when using Wi-Fi.