Tap the (⋮) in the top right corner and select Settings .
In the era of traditional SIM cards and feature phones, call barring was managed by dialing specific USSD codes (such as *33*PIN# or #33*PIN# ). Today, smartphones (iOS and Android) have integrated these settings directly into the operating system’s "Settings" menu under "Phone" or "Network" options. call barred
This is frequently used to manage privacy or avoid disturbances. Tap the (⋮) in the top right corner and select Settings