Most of the web Hosting providers give access to overriding the .htaccess, To Increase file size upload limit via .htaccess just copy the bellow settings into your .htacess file and put it in your web root directory
php_value upload_max_filesize 10M
php_value post_max_size 20M
php_value memory_limit 128M
post by : arjunphp.com
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