NO HELP! USELESS!!

I've been a client since 2013 and moved jobs, i called customer service and requested them to update my details but instead dropped the line after telling me to send my payslip. I sent an email on Monday requesting my details to be updated and included my payslip and Id and up to today have not received feedback. I called again this morning and was advised the issue will be sorted within and hour - IT IS NOW HOURS LATER AND NO CALLS OR EMAILS!! I called in again and 3 people answered and each time people are having fun in the back and not attending to calls, within a few minutes on being on the line listening to **** i dropped. I want my details updated asap or i will be posting this on every social media platform i have .