Bank unable to change client details on systems

I opened a Cheque and Credit Account with Standard Bank in 2013.<br> Upon checking my contact details it appeared that they had another cell phone number on their systems than my current and valid number. I asked the Banking official/s to rectify their records as I did NOT want future problems with any of my accounts as a result of the inaccuracy.<br> It late surfaced that they had NOT rectified their records when I app**** for a \U-count". <br> I went back to the bank on three occasions (different branches) to have the bank records (systems) changed. Still no luck to do so. I have to go back to a Branch of the bank each and every time to enquire about this an try and get them to rectify their records / systems. I've been on crutches for the past 18 months and as yet cannot walk or stand for hours on end in line waiting to be attended to and then find afterwards that the bank's systems (records) still haven't been rectified. Does Standard Bank actually care about their clients and do they really want their business if this is how they handle a simple request like mine?"""