Complains

Want to apply for two pot system withdrawal and I cant go through.i tried the sanlam whatzup link and they telling me that they sent me a otp number but I didnt get it.i called the Randfontein sanlam branch asking them to update my contacts because the number that i registered then when i became a member is not working m no longer use it.they couldn't help me either.i am stuck now and i want to apply for the two pot retirement saving money.please kindly assist me.i even tried to call customer care center and i held the call for too long and couldn't be assisted because I ran out of airtime.waited for more than 40 minutes on the line.