Many apps (like the Play Store, Instagram, or cloud services) continue to sync and download data even when your screen is off.
(Disclaimer: Codes and methods are subject to change by the network provider. Always check the official Telenor website for the most current USSD codes.) how to check remaining mbs in telenor
The official and fastest method is using a USSD code, though digital apps offer a free alternative. Many apps (like the Play Store, Instagram, or
: Some sources for travelers suggest dialing *137# to check data volume specifically. Many apps (like the Play Store