A problem with FNB's Cellphone Banking App

I have been able to use Cellphone Banking for some years now without a hitch. The other day I mistakenly reset my cellphone and as a result, am now unable to get into my account via the app, which means I can't pay any account as it has to go through the app. I have now spent over an hour trying to get hold of anybody who can assist me over the phone as the nearest branch of the bank is 30kms away and I don't drive any more. This fact doesn't seem to concern them. A consultant told me that I have to come into the branch and so did their version of computer chat. I do the books for two organisations besides my own account and it's now nearly the end of the month. This is unreal. Standard Bank let me reset my app, why can't FNB do the same? I've been a customer of FNB and its predecessor since 1964 and I find the new way of banking to be somewhat daunting. It's not the first time either that I've had a problem with FNB. It would be so nice if I could talk to someone over the phone.