Hi Abdulgaffar, MTN may not give you specific time when SIM update will be available, but I think that it could be a temporal system issue that may not last more than 24 hours...
Hi Abdulgaffar, It is likely that the application that MTN use to do the SIM registration update is down. Another cause could be that the NIMC NIN verification server is down...
Hi Abdulgaffar, MTN does not do SIM registration update via online, you need to visit any of their office closer to you to do your SIM registration update.
You can dial...