iPhone 4 is produced from mid-July will not be bad reception

The iPhone 4 production after 27 weeks of 2010 be confirmed as not being iFixit lifestyle. Users can check the serial number manufacturing date.

Specialized hardware site iFixit has conducted an independent survey and detection, the iPhone production in 2010 from week 27 of the error wave. Apple has quietly overcome by the antenna to a metal ring against the conductive layer, at the same time, companies still hold the view there is no loss of wave error, this is a common phenomenon of all manufacturers.

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15 tips for using iPhone 4 and IOS 4

IOS 4 added some notable new features such as multitasking, turn off the screen, or upgrade the message, take pictures.

Apple's new operating system being used on the iPhone 4 is much improved compared to its previous version of this smartphone. Currently, the IOS was able to set up 4 iPhones 4, 3GS and third-generation iPod Touch, the old machine as second-generation iPod Touch and iPhone 3G features are limited. iPad is a newly refurbished last year.

Here are some tips on using IOS 4 and iPhone 4.

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7 search PDF files online

To search the content, policies or document files are PDF format, the simplest way is to Google or the site supports searches, however, this approach seems quite time consuming as well as very difficult to find the exact content. Find out more in http://www.simulationzoo.com/read.php?422