Hello, I had recently purchased the iPhone 4 Smartphone and I want to upgrade some applications which are presents in this device. Whatever time I try to upgrade the iPhone 4 application then this device gives the iPhone 4 Verification required error message. I bought this Smartphone on before the two month and within two month it gives so much this kind of issue. I want to solve this kind of issue so, anyone who had knowledge about the Smartphone please suggest me some solutions.
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