Standard bank worst service ever

Really the worst service I had in my life from standard bank went into a branch to open a MyMo account consultant took almost 2 hours to open the account still my cell phone number is wrong on the system after I gave it to him 8 times now I'm stuck can use the banking app to which I must go back into the branch to change the number why must I waist my taxi money to go there when they made the mistake phoned them a couple of times to the point which they can't help me really bad service standard bank happy I'm just Gona use this account to save money in and not for my salary to be paid into