Mobile financial services provider (MFS) Nagad said it upgraded its system Saturday to deliver improved customer services. "This is why the users experienced a temporary disruption of services. Through our verified Facebook page, we informed customers of this interruption of services," the MFS said in a media statement Sunday. Read: FY22: Nagad hands Tk4.5 crore to postal department as revenue "Good news is that we have already completed the system upgrade, which will enable Nagad to provide its users with improved and quality services," it added.