Nedbank ****y self service

Used nedbank self-service "sendi-mali" from the nedbank app sent money 2 my other number as I did not have my cards with on the 26th, transaction went thru but I couldn't get the OTP 2 withdraw rebooted my phone 4× Or more tryd the *120*001# the money was reflecting I was relieved tryd 10more times again still no OTP called the cal centre as per number provided should I have queries but 2 my surprise the whole call center couldnt help me the other lady yesterday was telling me to change my phone setting and I asked the lady if she's working for Samsung or nedbank as I was ****ed off @ this point as I have been told to do what I have been doing multiple times which is to switch off n on my phone they called again telling me that they escalating the matter and today again no luck and they have the nerve to say it's self service to our convenience .......their service is **** thru and thru and I was just telling my friends what a wonderful bank they are I'm taking back my words and my business from them