Index: src/wp-admin/includes/media.php
===================================================================
--- src/wp-admin/includes/media.php	(revision 29769)
+++ src/wp-admin/includes/media.php	(working copy)
@@ -1796,9 +1796,11 @@
 	'multipart_params'    => $post_params,
 );
 
-// Currently only iOS Safari supports multiple files uploading but has a bug that prevents uploading of videos
+// Currently only iOS Safari supports multiple files uploading but iOS 7.x has a bug that prevents uploading of videos
 // when enabled. See #29602.
-if ( wp_is_mobile() ) {
+if ( wp_is_mobile() && strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
+	strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false ) {
+
 	$plupload_init['multi_selection'] = false;
 }
 
Index: src/wp-includes/media.php
===================================================================
--- src/wp-includes/media.php	(revision 29769)
+++ src/wp-includes/media.php	(working copy)
@@ -2536,9 +2536,11 @@
 		),
 	);
 
-	// Currently only iOS Safari supports multiple files uploading but has a bug that prevents uploading of videos
+	// Currently only iOS Safari supports multiple files uploading but iOS 7.x has a bug that prevents uploading of videos
 	// when enabled. See #29602.
-	if ( wp_is_mobile() ) {
+	if ( wp_is_mobile() && strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
+		strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false ) {
+
 		$defaults['multi_selection'] = false;
 	}