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Editorial Team
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Asked: 2026-05-14T06:41:06+00:00

I am facing a strange problem with my iphone. It shows available memory as

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I am facing a strange problem with my iphone. It shows available memory as 278 Mb from settings and also in the itunes . But when I find it programmatically like this

NSDictionary *fileSystemAttributes = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:&error];
double availableSpace = [[fileSystemAttributes objectForKey:NSFileSystemFreeSize] floatValue];

I am getting it as 458.0 Mb. Can any one help me out why I’m having so much difference between both the values ?? As both the values should be same.

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1 Answer

  1. Editorial Team

    The iPhone uses a solid state drive, which doubles as it’s own system RAM. So it keeps a percentage of the total drive for use at runtime.

    Go with the number iTunes is telling you, because otherwise there could be some critical system errors.

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