Home page Pagination – Other pages do not redirect to home page template

by

You will need to take the value of /page/n and pass it into your custom loop:

$paged = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1;    
$the_query = new WP_Query( 'posts_per_page=3&paged=' . $paged );

You can read more here: https://codex.wordpress.org/Pagination