breaking a promise HomeLoans

when we took out a Standard Bank in 2014 I was still in the possession of a foreign passport, waiting for my ID book.....as a few banks didn't allow me to take a bond, I have permanent residence since 2013 we went to Standard Bank and they allow me with a 3% above prime interest rate...I was assured this would be until I have my SouthAfrican ID, then I need to send a request to lower the interest rate...<br> Thats what I did.....first the callcentre said NO not possible......and NOW....as a client for 10 year.....a request like this is just being answered with a SMS !!! Nobody to inform me ......IS THAT NOW HOW STANDARD BANK TREATS THEIR CLIENTS.....something important like this....A SMS !!!!!????<br> <br> will check other banks now I have my ID number.....and NEVER Standard Bank again...goodbye.....obviously SB is NOT interested in keeping their \valued\" clients"