RewriteEngine On
# iPod
RewriteCond %{HTTP_USER_AGENT} iPod
RewriteRule ^$ /endroll/m/ [R]
# iPhone
RewriteCond %{HTTP_USER_AGENT} iPhone
RewriteRule ^$ /endroll/m/ [R]
# iPad
RewriteCond %{HTTP_USER_AGENT} iPad
RewriteRule ^$ /endroll/m/ [R]
# Android
RewriteCond %{HTTP_USER_AGENT} Android
RewriteRule ^$ /endroll/m/ [R]