I have a Ipad 3. I have/had a problem with the sound, then found a threat on this site it said to clean pin 21. I followed the instructions and my sound came back, Since then Safari closes suddenly while I am browsing the Web. It takes me back to my ipad's home page Why? It has never done this before. Any ideas for a fix? How can I reload Safari is that possible? I'm Scheduled to ship my Ipad back to Apple for the first problem but they don't know about the second. 

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