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What happens if you dial *# 21 on your phone?
According to Gadget Mates, *#21# is a specific Unstructured Supplementary Service Data (USSD) code that is typically used to check the status of call forwarding on a mobile device. It allows users to view whether their calls are being forwarded and to which number. They are also called Interrogation codes.Dec 17, 2023
According to Gadget Mates, *#21# is a specific Unstructured Supplementary Service Data (USSD) code that is typically used to check the status of call forwarding on a mobile device. It allows users to view whether their calls are being forwarded and to which number. They are also called Interrogation codes.Dec 17, 2023