Format the phone as quick as possible it is a virus causing this and no antivirus can help. It suffered like this once if i hadnt formatted it quick i would have lost my phone

flash አድርግ ከቻልክበት ካልሆነ ሰሪ ጋር መሄድ ግድ ነው

Silksh Restor adrgiw restore factory setting wust maybe stacku litfa yichilal