NSFileHandle, weird problem in iphone

Hi ,
i am downloading an mp3 file using NSURLConnection and saving it to a file . The problem is mp3 file is created (found the mp3 file created when using simulator), but i cannot access the mp3 file . Any ideas?!!!!!
This is the code i'm using
filename = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0] stringByAppendingPathComponent:save_name];
[[NSFileManager defaultManager] createFileAtPath:filename contents:nil attributes:nil];
file = [[NSFileHandle fileHandleForUpdatingAtPath:filename] retain];// file is in .h
if (file) {
[file seekToEndOfFile];
} [file writeData:data];

OK, here is the reason the graphics didn't show up:
"The file as it comes out of InDesign works fine on iPhone OS. The breakage happens when I use Acrobat's "reduce file size" command."
So Adobe's "reduce file size" command must have something in it that is also in Flash.

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Hi Everybody! Im having a very weird problem with my unlocked iphone 4.
First of all, i would like to apologize because of my english, is not very good. My native language is Spanish.
Well.. Im from Mexico, and here we can buy the iphone Unlocked on the Apple Online Store.
Here's my problem. Apple has exchanged my iphone 3 times.
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Before i continue, let me give you this information: here in Mexico we have basically 3 cell phone companies
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2.- Movistar
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OK, now on october 20th, i recieved my second iphone, and then procced to activate via itunes using my UNEFON sim card (microsim).
And every time i tried to activate it, only got this message onscreen:
http://i148.photobucket.com/albums/s2/jorgelomeli/Screenshot2010-10-29at24915PM. png
I though something was wrong with my brand new factory unlocked iphone 4.
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btw: jailbreak is not a solution for me, because i always like to use legal software on all my apple products, and because of the warranty.

According to http://support.apple.com/kb/HT1937, there are two official carriers in Mexico (Movistar and Telcel) and neither carrier offers an unlocked phone.

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My wife and I have iphone 4s, purchased about a year apart (I got mine as a cheaper leftover after the 4S came out.) My phone is fine but hers is having a long list of weird problems nothing seems to permanently fix. It is about 2 1/2 years old, and covered under a product replacement plan from Future Shop, where we got it. (Our city just got it's first Apple Store over the holidays.)
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If you have an Apple Store in town, setup a genius bar appointment. The genius bar tech should look at the phone and try to diagnose the problem free of charge. They may not want to fix it free of charge, but they should perform their diagnosis and tell you what they find for free.
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http://www.youtube.com/watch?v=9r0MN36pF8o
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NSFileHandle, weird problem in iphone

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