FNB announced on Monday via its Twitter page that some of the functionality on its digital platforms was unavailable.
“We are aware that some of our functionality is temporarily unavailable. Our IT teams are working to restore the affected functionality,” said the bank in its tweet.
According to users, when they tried to the access the app they would receive a message that said that the system was unavailable and the users should try again later.
The bank apologised to its customers for the inconvenience.
By Tuesday, it had fixed its Foreign Exchange services, and on Wednesday announced that lotto and electricity services were back online.
As of Wednesday, airtime and data services were still not working.