<p><a href="http://wincert.net/wp-content/uploads/2015/01/mobile.jpg"><img class="alignnone size-full wp-image-726" src="http://wincert.net/wp-content/uploads/2015/01/mobile.jpg" alt="mobile box" width="720" height="340" /></a></p>
<p>If you have experienced issues where you were unable to copy or transfer your songs/mp3 files to your iPhone device using drag and drop feature, here&#8217;s what you need to do.</p>
<p>Open iTunes and connect your iPhone. In the left pane click on the iPhone and make sure that Summary tab is selected.</p>
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<p>Scroll down and check the &#8220;Manually manage music and videos&#8221; checkbox.</p>
<p><img class=" size-full wp-image-378" src="http://wincert.net/wp-content/uploads/2012/09/itunes_add_songs.PNG" alt="" width="553" height="249" border="0" /></p>
<p>Hit apply and try again, you should be able to do the copy now.</p>