You probably exported from a post-4.0 format, which supports non-ASCII chars. The easiest fix would be to re-export from phpMyAdmin with the 'compat' set for 4.0, or 3.23.
When I used WebAir shared, I had to make a PHP script to use system(mysql < file ) to upload my data; it'd timeout before phpMyAdmin would return.. and was only about 200k.
