If you got Briefly unavailable for scheduled maintenance Check back in a minute error in WordPress means there is a .maintenance file in WordPress installed directory. To avoid this error go to WordPress installed location in your server and delete .maintenance file.
check below video
watch in YouTube
check below video
watch in YouTube
Thanks for give us valuable information
ReplyDeleteWordPress Support
Contact WordPress
Very Helpful. Thanks for such Information
ReplyDeleteWP Support
WP technical support